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130 vulnerabilities found for grav by getgrav
CVE-2020-37256 (GCVE-0-2020-37256)
Vulnerability from nvd – Published: 2026-06-25 21:41 – Updated: 2026-06-27 02:27
VLAI
Title
Grav - Cross-Site Scripting in Admin Plugin Page Editor
Summary
Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-cross-s… | third-party-advisory |
Impacted products
Date Public
2020-12-10 00:00
Credits
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CVE-2026-42844 (GCVE-0-2026-42844)
Vulnerability from nvd – Published: 2026-05-12 21:43 – Updated: 2026-05-13 14:28
VLAI
Title
Grav: Low-privileged API users can create super-admin accounts via blueprint-upload
Summary
Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full administrative compromise of the Grav API. This vulnerability is fixed in API 1.0.0-beta.17.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-44738 (GCVE-0-2026-44738)
Vulnerability from nvd – Published: 2026-05-11 15:47 – Updated: 2026-05-14 18:06
VLAI
Title
Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray()
Summary
Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray() from within a page body, dumping the entire merged site configuration — including all plugin secrets (SMTP passwords, AWS keys, OAuth client secrets, API tokens) — into the rendered HTML. No administrator privileges are required. This vulnerability is fixed in 2.0.0-rc.2.
Severity
7.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42842 (GCVE-0-2026-42842)
Vulnerability from nvd – Published: 2026-05-11 15:29 – Updated: 2026-05-11 18:25
VLAI
Title
grav-plugin-form: XSS via Taxonomy Field Values in Admin Panel
Summary
The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Grav CMS Form plugin's select field template. Taxonomy tag and category values are rendered with the Twig |raw filter in the admin panel, bypassing the global autoescape protection. An editor-level user can inject arbitrary JavaScript that executes in any administrator's browser session when they view or edit any page in the admin panel. This vulnerability is fixed in 9.1.0.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-form/commi… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav |
Affected:
< 2.0.0-beta.2
|
|
| getgrav | grav-plugin-form |
Affected:
< 9.1.0
|
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CVE-2026-42841 (GCVE-0-2026-42841)
Vulnerability from nvd – Published: 2026-05-11 14:52 – Updated: 2026-05-11 16:19
VLAI
Title
Grav: Stored XSS via Markdown media attribute() action in Grav CMS
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters being converted into callable media actions. The public attribute() media method can be reached this way, allowing an editor to set an arbitrary HTML attribute name and value on the generated image element. This vulnerability is fixed in 2.0.0-beta.2.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42613 (GCVE-0-2026-42613)
Vulnerability from nvd – Published: 2026-05-11 15:24 – Updated: 2026-05-12 13:48
VLAI
Title
Grav: Privilege Escalation via Missing Server-Side Validation of groups/access
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register() method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registration is enabled and groups or access are included in the configured allowed fields list, an unauthenticated user can self-register with admin.super privileges by injecting these fields into the registration request. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-login/comm… | x_refsource_MISC |
| https://github.com/getgrav/grav/security/advisori… | exploit |
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CVE-2026-42612 (GCVE-0-2026-42612)
Vulnerability from nvd – Published: 2026-05-11 15:22 – Updated: 2026-05-11 19:07
VLAI
Title
Grav: Publisher-Level Stored XSS via Unquoted Event Attributes
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42611 (GCVE-0-2026-42611)
Vulnerability from nvd – Published: 2026-05-11 15:20 – Updated: 2026-05-11 18:23
VLAI
Title
Grav: Stored XSS via Tag Injection
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged (with the ability to create a page) user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information available under /admin/config/info whenever a Super Admin visits the page; which can further be chained with the use of admin-nonce to do a complete server compromise (RCE). This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.9 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42610 (GCVE-0-2026-42610)
Vulnerability from nvd – Published: 2026-05-11 15:19 – Updated: 2026-05-11 15:50
VLAI
Title
Grav: Sensitive Information Disclosure via Accounts Service Bypass
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user (EX: Content Editor with only pages.update permissions) can bypass the existing Twig sandbox restrictions by utilizing the grav['accounts'] service. Attacker can programmatically load administrative user objects and extract sensitive data, including Bcrypt password hashes and the security salt. This vulnerability is fixed in 2.0.0-beta.2.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
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CVE-2026-42609 (GCVE-0-2026-42609)
Vulnerability from nvd – Published: 2026-05-11 15:03 – Updated: 2026-05-14 17:56
VLAI
Title
Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/d904efc33e… | x_refsource_MISC |
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CVE-2026-42608 (GCVE-0-2026-42608)
Vulnerability from nvd – Published: 2026-05-11 15:02 – Updated: 2026-05-11 16:07
VLAI
Title
Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, there is a Path Traversal vulnerability within the FormFlash core component. By manipulating the session_id (passed as __form-flash-id in POST requests), an unauthenticated attacker can traverse the filesystem to create arbitrary directories and write an index.yaml file containing attacker-controlled data. This vulnerability can lead to unauthorized modification of application behavior, potential data integrity issues, and service disruption in production environments. This vulnerability is fixed in 2.0.0-beta.2.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
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| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42607 (GCVE-0-2026-42607)
Vulnerability from nvd – Published: 2026-05-11 14:58 – Updated: 2026-05-12 13:46
VLAI
Title
Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with administrative privileges can achieve Remote Code Execution (RCE) by uploading a specially crafted ZIP file through the "Direct Install" tool. While the system attempts to block direct .php file uploads, it fails to inspect the contents of uploaded ZIP archives. Once a malicious plugin is extracted, it can execute arbitrary PHP code or drop a persistent web shell on the server. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-29924 (GCVE-0-2026-29924)
Vulnerability from nvd – Published: 2026-03-30 00:00 – Updated: 2026-03-30 19:20
VLAI
Summary
Grav CMS v1.7.x and before is vulnerable to XML External Entity (XXE) through the SVG file upload functionality in the admin panel and File Manager plugin.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav |
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CVE-2021-47812 (GCVE-0-2021-47812)
Vulnerability from nvd – Published: 2026-01-15 23:25 – Updated: 2026-04-07 14:06
VLAI
Title
GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2)
Summary
GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49973 | exploit |
| https://getgrav.org | product |
| https://www.vulncheck.com/advisories/gravcms-arbi… | third-party-advisory |
Date Public
2021-06-09 00:00
Credits
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CVE-2025-66844 (GCVE-0-2025-66844)
Vulnerability from nvd – Published: 2025-12-15 00:00 – Updated: 2025-12-16 15:37
VLAI
Summary
In grav <1.7.49.5, a SSRF (Server-Side Request Forgery) vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
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CVE-2025-66843 (GCVE-0-2025-66843)
Vulnerability from nvd – Published: 2025-12-15 00:00 – Updated: 2025-12-16 17:33
VLAI
Summary
grav before v1.7.49.5 has a Stored Cross-Site Scripting (Stored XSS) vulnerability in the page editing functionality. An authenticated low-privileged user with permission to edit content can inject malicious JavaScript payloads into editable fields. The payload is stored on the server and later executed when any other user views or edits the affected page.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
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CVE-2020-37256 (GCVE-0-2020-37256)
Vulnerability from cvelistv5 – Published: 2026-06-25 21:41 – Updated: 2026-06-27 02:27
VLAI
Title
Grav - Cross-Site Scripting in Admin Plugin Page Editor
Summary
Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-cross-s… | third-party-advisory |
Impacted products
Date Public
2020-12-10 00:00
Credits
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CVE-2026-42844 (GCVE-0-2026-42844)
Vulnerability from cvelistv5 – Published: 2026-05-12 21:43 – Updated: 2026-05-13 14:28
VLAI
Title
Grav: Low-privileged API users can create super-admin accounts via blueprint-upload
Summary
Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full administrative compromise of the Grav API. This vulnerability is fixed in API 1.0.0-beta.17.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-44738 (GCVE-0-2026-44738)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:47 – Updated: 2026-05-14 18:06
VLAI
Title
Grav: Twig sandbox allows editor-role users to exfiltrate all plugin secrets via Config::toArray()
Summary
Grav is a file-based Web platform. Prior to 2.0.0-rc.2, the Twig sandbox allow-list permits any user with the admin.pages role to call config.toArray() from within a page body, dumping the entire merged site configuration — including all plugin secrets (SMTP passwords, AWS keys, OAuth client secrets, API tokens) — into the rendered HTML. No administrator privileges are required. This vulnerability is fixed in 2.0.0-rc.2.
Severity
7.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42842 (GCVE-0-2026-42842)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:29 – Updated: 2026-05-11 18:25
VLAI
Title
grav-plugin-form: XSS via Taxonomy Field Values in Admin Panel
Summary
The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Grav CMS Form plugin's select field template. Taxonomy tag and category values are rendered with the Twig |raw filter in the admin panel, bypassing the global autoescape protection. An editor-level user can inject arbitrary JavaScript that executes in any administrator's browser session when they view or edit any page in the admin panel. This vulnerability is fixed in 9.1.0.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-form/commi… | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| getgrav | grav |
Affected:
< 2.0.0-beta.2
|
|
| getgrav | grav-plugin-form |
Affected:
< 9.1.0
|
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CVE-2026-42613 (GCVE-0-2026-42613)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:24 – Updated: 2026-05-12 13:48
VLAI
Title
Grav: Privilege Escalation via Missing Server-Side Validation of groups/access
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, the Login::register() method in the Login plugin accepts attacker-controlled groups and access fields from the registration POST data without server-side validation. When registration is enabled and groups or access are included in the configured allowed fields list, an unauthenticated user can self-register with admin.super privileges by injecting these fields into the registration request. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav-plugin-login/comm… | x_refsource_MISC |
| https://github.com/getgrav/grav/security/advisori… | exploit |
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CVE-2026-42612 (GCVE-0-2026-42612)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:22 – Updated: 2026-05-11 19:07
VLAI
Title
Grav: Publisher-Level Stored XSS via Unquoted Event Attributes
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42611 (GCVE-0-2026-42611)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:20 – Updated: 2026-05-11 18:23
VLAI
Title
Grav: Stored XSS via Tag Injection
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged (with the ability to create a page) user can cause XSS with the injection of svg element. The XSS can further be escalated to dump the entire system information available under /admin/config/info whenever a Super Admin visits the page; which can further be chained with the use of admin-nonce to do a complete server compromise (RCE). This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.9 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42610 (GCVE-0-2026-42610)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:19 – Updated: 2026-05-11 15:50
VLAI
Title
Grav: Sensitive Information Disclosure via Accounts Service Bypass
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a low-privileged user (EX: Content Editor with only pages.update permissions) can bypass the existing Twig sandbox restrictions by utilizing the grav['accounts'] service. Attacker can programmatically load administrative user objects and extract sensitive data, including Bcrypt password hashes and the security salt. This vulnerability is fixed in 2.0.0-beta.2.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
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CVE-2026-42609 (GCVE-0-2026-42609)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:03 – Updated: 2026-05-14 17:56
VLAI
Title
Grav: Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account. This vulnerability is fixed in 2.0.0-beta.2.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
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|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/c66dfeb5ff… | x_refsource_MISC |
| https://github.com/getgrav/grav/commit/d904efc33e… | x_refsource_MISC |
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CVE-2026-42608 (GCVE-0-2026-42608)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:02 – Updated: 2026-05-11 16:07
VLAI
Title
Grav: Unauthenticated Path Traversal & Arbitrary File Write in FormFlash component.
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, there is a Path Traversal vulnerability within the FormFlash core component. By manipulating the session_id (passed as __form-flash-id in POST requests), an unauthenticated attacker can traverse the filesystem to create arbitrary directories and write an index.yaml file containing attacker-controlled data. This vulnerability can lead to unauthorized modification of application behavior, potential data integrity issues, and service disruption in production environments. This vulnerability is fixed in 2.0.0-beta.2.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
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CVE-2026-42607 (GCVE-0-2026-42607)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:58 – Updated: 2026-05-12 13:46
VLAI
Title
Grav: Remote Code Execution (RCE) via Malicious Plugin ZIP Upload in Direct Install Feature
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with administrative privileges can achieve Remote Code Execution (RCE) by uploading a specially crafted ZIP file through the "Direct Install" tool. While the system attempts to block direct .php file uploads, it fails to inspect the contents of uploaded ZIP archives. Once a malicious plugin is extracted, it can execute arbitrary PHP code or drop a persistent web shell on the server. This vulnerability is fixed in 2.0.0-beta.2.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-42841 (GCVE-0-2026-42841)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:52 – Updated: 2026-05-11 16:19
VLAI
Title
Grav: Stored XSS via Markdown media attribute() action in Grav CMS
Summary
Grav is a file-based Web platform. Prior to 2.0.0-beta.2, an authenticated user with page editing permissions can inject an executable JavaScript event-handler attribute into rendered image HTML through Grav's Markdown media action syntax. The issue is caused by Markdown image query parameters being converted into callable media actions. The public attribute() media method can be reached this way, allowing an editor to set an arbitrary HTML attribute name and value on the generated image element. This vulnerability is fixed in 2.0.0-beta.2.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | x_refsource_CONFIRM |
| https://github.com/getgrav/grav/commit/5a12f9be83… | x_refsource_MISC |
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CVE-2026-29924 (GCVE-0-2026-29924)
Vulnerability from cvelistv5 – Published: 2026-03-30 00:00 – Updated: 2026-03-30 19:20
VLAI
Summary
Grav CMS v1.7.x and before is vulnerable to XML External Entity (XXE) through the SVG file upload functionality in the admin panel and File Manager plugin.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav |
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CVE-2021-47812 (GCVE-0-2021-47812)
Vulnerability from cvelistv5 – Published: 2026-01-15 23:25 – Updated: 2026-04-07 14:06
VLAI
Title
GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2)
Summary
GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49973 | exploit |
| https://getgrav.org | product |
| https://www.vulncheck.com/advisories/gravcms-arbi… | third-party-advisory |
Date Public
2021-06-09 00:00
Credits
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