Common Weakness Enumeration
CWE-434
AllowedUnrestricted Upload of File with Dangerous Type
Abstraction: Base · Status: Draft
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
5967 vulnerabilities reference this CWE, most recent first.
CVE-2026-15553 (GCVE-0-2026-15553)
Vulnerability from cvelistv5 – Published: 2026-07-13 03:10 – Updated: 2026-07-14 14:33
VLAI
EPSS
VEX
Title
Ragic｜Enterprise Cloud Database - Arbitrary File Upload
Summary
Enterprise Cloud Database developed by Ragic has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload malicious files and make them available for users to download.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted upload of file with dangerous type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11031-eccb2-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11032-460c2-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Ragic | Enterprise Cloud Database |
Affected:
all
|
Date Public
2026-07-13 02:51
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CVE-2026-15539 (GCVE-0-2026-15539)
Vulnerability from cvelistv5 – Published: 2026-07-13 06:15 – Updated: 2026-07-13 14:48 X_Freeware
VLAI
EPSS
VEX
Title
SourceCodester Online Book Store System Book Image Upload Feature index.php books unrestricted upload
Summary
A security vulnerability has been detected in SourceCodester Online Book Store System 1.0. Impacted is an unknown function of the file /admin/index.php?page=books of the component Book Image Upload Feature. Such manipulation leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377889 | vdb-entry |
| https://vuldb.com/vuln/377889/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15539 | third-party-advisory |
| https://vuldb.com/submit/855046 | third-party-advisory |
| https://medium.com/@hemantrajbhati5555/critical-a… | broken-linkexploit |
| https://www.sourcecodester.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Online Book Store System |
Affected:
1.0
cpe:2.3:a:sourcecodester:online_book_store_system:*:*:*:*:*:*:*:* |
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CVE-2026-15518 (GCVE-0-2026-15518)
Vulnerability from cvelistv5 – Published: 2026-07-13 00:45 – Updated: 2026-07-13 18:12
VLAI
EPSS
VEX
Title
AREA 17 Twill CMS Media Library Insert FileLibraryController.php storeFile unrestricted upload
Summary
A vulnerability has been found in AREA 17 Twill CMS up to 3.6.0. The impacted element is the function FileLibraryController::storeFile of the file src/Http/Controllers/Admin/FileLibraryController.php of the component Media Library Insert Page. Such manipulation of the argument qqfilename leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377847 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/377847/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15518 | third-party-advisory |
| https://vuldb.com/submit/849572 | third-party-advisory |
| https://bytium.com/insights/authenticated-arbitra… | exploit |
Impacted products
Credits
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CVE-2026-15488 (GCVE-0-2026-15488)
Vulnerability from cvelistv5 – Published: 2026-07-12 08:45 – Updated: 2026-07-13 15:44 X_Open Source
VLAI
EPSS
VEX
Title
hcr707305003 shiroiAdmin FileController.php upload unrestricted upload
Summary
A vulnerability was determined in hcr707305003 shiroiAdmin 1.1/1.3. Affected is the function FileController::upload of the file app/common/controller/FileController.php. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 1.4 is able to address this issue. This patch is called 3ecde28ea8a20a3840dbfefd6d6863ee79a83e70. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/377795 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/377795/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15488 | third-party-advisory |
| https://vuldb.com/submit/843890 | third-party-advisory |
| https://github.com/hcr707305003/shiroiAdmin/relea… | patch |
| https://github.com/hcr707305003/shiroiAdmin/commi… | patch |
| https://github.com/hcr707305003/shiroiAdmin/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hcr707305003 | shiroiAdmin |
Affected:
1.1
Affected: 1.3 Unaffected: 1.4 cpe:2.3:a:hcr707305003:shiroiadmin:*:*:*:*:*:*:*:* |
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CVE-2026-15282 (GCVE-0-2026-15282)
Vulnerability from cvelistv5 – Published: 2026-07-10 04:31 – Updated: 2026-07-14 01:30
VLAI
EPSS
VEX
Title
Instant Appointment <= 1.2 - Unauthenticated Arbitrary File Upload
Summary
The Instant Appointment plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'insapp_upload_image_as_attachment' function in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| tenteeglobal | Instant Appointment |
Affected:
0 , ≤ 1.2
(semver)
|
Credits
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CVE-2026-15158 (GCVE-0-2026-15158)
Vulnerability from cvelistv5 – Published: 2026-07-09 08:31 – Updated: 2026-07-09 13:52
VLAI
EPSS
VEX
Title
Blocksy Companion <= 2.1.46 - Unauthenticated Arbitrary File Upload via 'blc-review-images[]' Parameter
Summary
The Blocksy Companion plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.1.46 via the save_attachments function. This is due to the Custom Fonts extension registering a wp_check_filetype_and_ext filter that approves any filename containing .woff2 or .ttf as a substring via strpos() rather than validating that those strings appear as the final extension via PATHINFO_EXTENSION — allowing double-extension filenames such as shell.woff2.php to pass MIME validation and be handled as permitted font files. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible. This vulnerability is only exploitable when the premium version of the plugin (blocksy-companion-pro) is installed with both the WooCommerce Extra (Advanced Reviews) and Custom Fonts extensions active; the free blocksy-companion plugin does not contain the vulnerable code paths.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| creativethemeshq | Blocksy Companion |
Affected:
0 , ≤ 2.1.46
(semver)
|
Credits
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CVE-2026-14894 (GCVE-0-2026-14894)
Vulnerability from cvelistv5 – Published: 2026-07-10 02:30 – Updated: 2026-07-10 14:10
VLAI
EPSS
VEX
Title
Super Forms <= 6.3.313 - Unauthenticated Arbitrary File Upload via 'data' Parameter (datauristring / value)
Summary
The Super Forms – Drag & Drop Form Builder plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 6.3.313 via the submit_form function. This is due to missing file type validation and the absence of any capability check on the submit_form nopriv AJAX handler, whose only barrier is a session nonce freely obtainable by unauthenticated visitors via a separate nopriv endpoint. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible. The nonce requirement is trivially bypassed because the super_create_nonce nopriv AJAX action allows any unauthenticated visitor to mint a valid sf_nonce and session cookie in a single prior request, reducing exploitation to two unauthenticated HTTP requests.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WebRehab | Super Forms – Drag & Drop Form Builder |
Affected:
0 , ≤ 6.3.313
(semver)
|
Credits
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CVE-2026-14777 (GCVE-0-2026-14777)
Vulnerability from cvelistv5 – Published: 2026-07-05 23:15 – Updated: 2026-07-06 13:06 X_Freeware
VLAI
EPSS
VEX
Title
SourceCodester Onlne Examination & Learning Management System announcements.php unrestricted upload
Summary
A weakness has been identified in SourceCodester Onlne Examination & Learning Management System 1.0. Affected by this issue is some unknown functionality of the file /announcements.php. Executing a manipulation can lead to unrestricted upload. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The name of the affected product appears to have a typo in it.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376367 | vdb-entry |
| https://vuldb.com/vuln/376367/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14777 | third-party-advisory |
| https://vuldb.com/submit/850679 | third-party-advisory |
| https://github.com/nuiifornet/A033/blob/main/OE-L… | exploit |
| https://www.sourcecodester.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Onlne Examination & Learning Management System |
Affected:
1.0
cpe:2.3:a:sourcecodester:onlne_examination_learning_management_system:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-14776 (GCVE-0-2026-14776)
Vulnerability from cvelistv5 – Published: 2026-07-05 23:00 – Updated: 2026-07-06 16:49 X_Freeware
VLAI
EPSS
VEX
Title
SourceCodester Onlne Examination & Learning Management System Filename Extension upload_files.php pathinfo unrestricted upload
Summary
A security flaw has been discovered in SourceCodester Onlne Examination & Learning Management System 1.0. Affected by this vulnerability is the function pathinfo of the file /upload_files.php of the component Filename Extension. Performing a manipulation results in unrestricted upload. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The name of the affected product appears to have a typo in it.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376366 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376366/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14776 | third-party-advisory |
| https://vuldb.com/submit/850678 | third-party-advisory |
| https://github.com/nuiifornet/A033/blob/main/OE-L… | exploit |
| https://www.sourcecodester.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Onlne Examination & Learning Management System |
Affected:
1.0
cpe:2.3:a:sourcecodester:onlne_examination_learning_management_system:*:*:*:*:*:*:*:* |
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CVE-2026-14775 (GCVE-0-2026-14775)
Vulnerability from cvelistv5 – Published: 2026-07-05 22:45 – Updated: 2026-07-07 02:54 X_Freeware
VLAI
EPSS
VEX
Title
SourceCodester Onlne Examination & Learning Management System process_lesson.php unrestricted upload
Summary
A vulnerability was identified in SourceCodester Onlne Examination & Learning Management System 1.0. Affected is an unknown function of the file /process_lesson.php. Such manipulation of the argument user_id leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used. The name of the affected product appears to have a typo in it.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376365 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376365/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-14775 | third-party-advisory |
| https://vuldb.com/submit/850677 | third-party-advisory |
| https://github.com/nuiifornet/A033/blob/main/OE-L… | exploit |
| https://www.sourcecodester.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SourceCodester | Onlne Examination & Learning Management System |
Affected:
1.0
cpe:2.3:a:sourcecodester:onlne_examination_learning_management_system:*:*:*:*:*:*:*:* |
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Mitigation
Architecture and Design
Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation MIT-21
Architecture and Design
Strategy: Enforcement by Conversion
When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Architecture and Design
Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Architecture and Design
Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Implementation
Strategy: Input Validation
Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
Implementation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Implementation
Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Implementation
Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation MIT-17
Architecture and Design
Operation
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Architecture and Design
Operation
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.