Common Weakness Enumeration
CWE-80
AllowedImproper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Abstraction: Variant · Status: Incomplete
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
938 vulnerabilities reference this CWE, most recent first.
CVE-2021-27915 (GCVE-0-2021-27915)
Vulnerability from cvelistv5 – Published: 2024-09-17 14:02 – Updated: 2024-09-17 16:01
VLAI
EPSS
VEX
Title
XSS Cross-site Scripting Stored (XSS) - Description field
Summary
Prior to the patched version, there is an XSS vulnerability in the description fields within the Mautic application which could be exploited by a logged in user of Mautic with the appropriate permissions.
This could lead to the user having elevated access to the system.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
Date Public
2024-04-11 09:36
Credits
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CVE-2021-1420 (GCVE-0-2021-1420)
Vulnerability from cvelistv5 – Published: 2021-04-08 04:06 – Updated: 2024-11-08 23:27
VLAI
EPSS
VEX
Title
Cisco Webex Meetings HTML Injection Vulnerability
Summary
A vulnerability in certain web pages of Cisco Webex Meetings could allow an unauthenticated, remote attacker to modify a web page in the context of a user's browser. The vulnerability is due to improper checks on parameter values in affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Webex Meetings |
Affected:
n/a
|
Date Public
2021-04-07 00:00
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CVE-2021-1351 (GCVE-0-2021-1351)
Vulnerability from cvelistv5 – Published: 2021-02-17 16:55 – Updated: 2024-11-08 23:40
VLAI
EPSS
VEX
Title
Cisco Webex Meetings Cross-Site Scripting Vulnerability
Summary
A vulnerability in the web-based interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the affected service. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Webex Meetings |
Affected:
n/a
|
Date Public
2021-02-17 00:00
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CVE-2020-36544 (GCVE-0-2020-36544)
Vulnerability from cvelistv5 – Published: 2022-06-04 12:35 – Updated: 2025-04-15 14:32
VLAI
EPSS
VEX
Title
SialWeb CMS Search cross site scriting
Summary
A vulnerability has been found in SialWeb CMS and classified as problematic. This vulnerability affects unknown code of the component Search Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Basic Cross Site Scripting
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://sialweb.net/ | x_refsource_MISC |
| https://vuldb.com/?id.159430 | x_refsource_MISC |
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CVE-2020-36196 (GCVE-0-2020-36196)
Vulnerability from cvelistv5 – Published: 2021-07-01 02:00 – Updated: 2024-09-16 19:30
VLAI
EPSS
VEX
Title
Stored XSS Vulnerability in QuLog Center
Summary
A stored XSS vulnerability has been reported to affect QNAP NAS running QuLog Center. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QuLog Center versions prior to 1.2.0.
Severity
No CVSS data available.
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/zh-tw/security-advisory/qsa-21-30 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QuLog Center |
Affected:
unspecified , < 1.2.0
(custom)
|
Date Public
2021-07-01 00:00
Credits
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CVE-2020-27126 (GCVE-0-2020-27126)
Vulnerability from cvelistv5 – Published: 2020-11-18 17:40 – Updated: 2024-11-13 17:38
VLAI
EPSS
VEX
Title
Cisco Webex Meetings API Cross-Site Scripting Vulnerability
Summary
A vulnerability in an API of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to improper validation of user-supplied input to an application programmatic interface (API) within Cisco Webex Meetings. An attacker could exploit this vulnerability by convincing a targeted user to follow a link designed to submit malicious input to the API used by Cisco Webex Meetings. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information from the system of a targeted user.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Webex Meetings |
Affected:
n/a
|
Date Public
2020-11-18 00:00
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CVE-2020-26218 (GCVE-0-2020-26218)
Vulnerability from cvelistv5 – Published: 2020-11-11 22:00 – Updated: 2024-08-04 15:49
VLAI
EPSS
VEX
Title
HTML Injection in touchbase.ai
Summary
touchbase.ai before version 2.0 is vulnerable to Cross-Site Scripting. The vulnerability allows an attacker to inject HTML payloads which could result in defacement, user redirection to a malicious webpage/website etc. The issue is patched in version 2.0.
Severity
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/puncsky/touchbase.ai/security/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| puncsky | touchbase.ai |
Affected:
< 2.0
|
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CVE-2020-26067 (GCVE-0-2020-26067)
Vulnerability from cvelistv5 – Published: 2024-11-18 16:10 – Updated: 2024-11-26 14:41
VLAI
EPSS
VEX
Title
Cisco Webex Teams Web Interface Cross-Site Scripting Vulnerability
Summary
A vulnerability in the web-based interface of Cisco Webex Teams could allow an authenticated, remote attacker to conduct cross-site scripting attacks.
The vulnerability is due to improper validation of usernames. An attacker could exploit this vulnerability by creating an account that contains malicious HTML or script content and joining a space using the malicious account name. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Webex Teams |
Affected:
N/A
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CVE-2020-15788 (GCVE-0-2020-15788)
Vulnerability from cvelistv5 – Published: 2020-09-09 18:11 – Updated: 2024-08-04 13:22
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Polarion Subversion Webclient (All versions). The Polarion subversion web application does not filter user input in a way that prevents Cross-Site Scripting. If a user is enticed into passing specially crafted, malicious input to the web client (e.g. by clicking on a malicious URL with embedded JavaScript), then JavaScript code can be returned and may then be executed by the user’s client. Various actions could be triggered by running malicious JavaScript code.
Severity
No CVSS data available.
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens AG | Polarion Subversion Webclient |
Affected:
All versions
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CVE-2020-13564 (GCVE-0-2020-13564)
Vulnerability from cvelistv5 – Published: 2021-02-01 15:07 – Updated: 2024-08-04 12:25
VLAI
EPSS
VEX
Summary
A cross-site scripting vulnerability exists in the template functionality of phpGACL 3.3.7. A specially crafted HTTP request can lead to arbitrary JavaScript execution. An attacker can provide a crafted URL to trigger this vulnerability in the phpGACL template acl_id parameter.
Severity
9.6 (Critical)
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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Mitigation
Implementation
Carefully check each input parameter against a rigorous positive specification (allowlist) defining the specific characters and format allowed. All input should be neutralized, not just parameters that the user is supposed to specify, but all data in the request, including hidden fields, cookies, headers, the URL itself, and so forth. A common mistake that leads to continuing XSS vulnerabilities is to validate only fields that are expected to be redisplayed by the site. We often encounter data from the request that is reflected by the application server or the application that the development team did not anticipate. Also, a field that is not currently reflected may be used by a future developer. Therefore, validating ALL parts of the HTTP request is recommended.
Mitigation MIT-30.1
Implementation
Strategy: Output Encoding
- Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
- The problem of inconsistent output encodings often arises in web pages. If an encoding is not specified in an HTTP header, web browsers often guess about which encoding is being used. This can open up the browser to subtle XSS attacks.
Mitigation MIT-43
Implementation
With Struts, write all data from form beans with the bean's filter attribute set to true.
Mitigation MIT-31
Implementation
Strategy: Attack Surface Reduction
To help mitigate XSS attacks against the user's session cookie, set the session cookie to be HttpOnly. In browsers that support the HttpOnly feature (such as more recent versions of Internet Explorer and Firefox), this attribute can prevent the user's session cookie from being accessible to malicious client-side scripts that use document.cookie. This is not a complete solution, since HttpOnly is not supported by all browsers. More importantly, XmlHttpRequest and other powerful browser technologies provide read access to HTTP headers, including the Set-Cookie header in which the HttpOnly flag is set.
CAPEC-18: XSS Targeting Non-Script Elements
This attack is a form of Cross-Site Scripting (XSS) where malicious scripts are embedded in elements that are not expected to host scripts such as image tags (<img>), comments in XML documents (< !-CDATA->), etc. These tags may not be subject to the same input validation, output validation, and other content filtering and checking routines, so this can create an opportunity for an adversary to tunnel through the application's elements and launch a XSS attack through other elements. As with all remote attacks, it is important to differentiate the ability to launch an attack (such as probing an internal network for unpatched servers) and the ability of the remote adversary to collect and interpret the output of said attack.
CAPEC-193: PHP Remote File Inclusion
In this pattern the adversary is able to load and execute arbitrary code remotely available from the application. This is usually accomplished through an insecurely configured PHP runtime environment and an improperly sanitized "include" or "require" call, which the user can then control to point to any web-accessible file. This allows adversaries to hijack the targeted application and force it to execute their own instructions.
CAPEC-32: XSS Through HTTP Query Strings
An adversary embeds malicious script code in the parameters of an HTTP query string and convinces a victim to submit the HTTP request that contains the query string to a vulnerable web application. The web application then procedes to use the values parameters without properly validation them first and generates the HTML code that will be executed by the victim's browser.
CAPEC-86: XSS Through HTTP Headers
An adversary exploits web applications that generate web content, such as links in a HTML page, based on unvalidated or improperly validated data submitted by other actors. XSS in HTTP Headers attacks target the HTTP headers which are hidden from most users and may not be validated by web applications.