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Common Weakness Enumeration

CWE-80

Allowed

Improper 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.

975 vulnerabilities reference this CWE, most recent first.

CVE-2025-1807 (GCVE-0-2025-1807)

Vulnerability from cvelistv5 – Published: 2025-03-02 00:00 – Updated: 2025-04-09 12:06
VLAI
Title
Eastnets PaymentSafe Edit Manual Reply directRouter.rfc cross site scripting
Summary
A vulnerability, which was classified as problematic, was found in Eastnets PaymentSafe 2.5.26.0. This affects an unknown part of the file /directRouter.rfc of the component Edit Manual Reply Handler. The manipulation of the argument Title leads to basic cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.5.27.0 is able to address this issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-04 15:47 UTC
CWE
References
URL Tags
https://vuldb.com/?id.298065 vdb-entrytechnical-description
https://vuldb.com/?ctiid.298065 signaturepermissions-required
https://vuldb.com/?submit.502668 third-party-advisory
https://drive.google.com/file/d/1-4BwJxzKUdVRsi6P… broken-linkexploit
Impacted products
Vendor Product Version
Eastnets PaymentSafe Affected: 2.5.26.0
Create a notification for this product.
Show details on NVD website

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CVE-2025-0277 (GCVE-0-2025-0277)

Vulnerability from cvelistv5 – Published: 2025-10-16 08:27 – Updated: 2025-10-16 14:08
VLAI
Title
HCL BigFix Mobile is affected by an insecure Content Security Policy (CSP)
Summary
HCL BigFix Mobile 3.3 and earlier are vulnerable to certain insecure directives within the Content Security Policy (CSP). An attacker could trick users into performing actions by not properly restricting the sources of scripts and other content.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 14:03 UTC
CWE
  • CWE-693 - Protection Mechanism Failure
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
Impacted products
Date Public
2025-10-16 08:20
Show details on NVD website

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CVE-2025-0276 (GCVE-0-2025-0276)

Vulnerability from cvelistv5 – Published: 2025-10-16 08:25 – Updated: 2025-10-16 14:10
VLAI
Title
HCL BigFix Modern Client Management (MCM) is affected by an insecure Content Security Policy (CSP)
Summary
HCL BigFix Modern Client Management (MCM) 3.3 and earlier are vulnerable to certain insecure directives within the Content Security Policy (CSP). An attacker could trick users into performing actions by not properly restricting the sources of scripts and other content.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 14:10 UTC
CWE
  • CWE-693 - Protection Mechanism Failure
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
Impacted products
Date Public
2025-10-16 08:20
Show details on NVD website

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CVE-2025-0272 (GCVE-0-2025-0272)

Vulnerability from cvelistv5 – Published: 2025-04-03 14:56 – Updated: 2025-04-04 20:22
VLAI
Title
HCL DevOps Deploy / HCL Launch is susceptible to an HTML injection vulnerability
Summary
HCL DevOps Deploy / HCL Launch is vulnerable to HTML injection. This vulnerability may allow a user to embed arbitrary HTML tags in the Web UI potentially leading to sensitive information disclosure.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-04 14:26 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
Impacted products
Vendor Product Version
HCL Software HCL DevOps Deploy / HCL Launch Affected: 7.0 - 7.0.5.26; 7.1 - 7.1.2.21; 7.2 - 7.2.3.14; 7.3 - 7.3.2.9; 8.0 - 8.0.1.4; 8.1 - 8.1.0.0
Create a notification for this product.
Date Public
2025-04-03 13:58
Show details on NVD website

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CVE-2024-58355 (GCVE-0-2024-58355)

Vulnerability from cvelistv5 – Published: 2026-07-23 21:16 – Updated: 2026-07-28 01:47
VLAI
Title
Cal.com through 4.7.15 Cross-Site Scripting via booking questions
Summary
Cal.com (calcom/cal.diy) versions through 4.7.15 contain a stored cross-site scripting vulnerability. The single booking view (e.g., https://app.cal.com/booking/<id>) renders booking-question field labels via React's dangerouslySetInnerHTML without sanitizing or escaping user input. An attacker who can create an event type with a malicious booking-question label can inject arbitrary HTML/JavaScript that executes when a victim opens the crafted booking URL. The issue is fixed in v4.7.16.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 13:38 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Impacted products
Vendor Product Version
calcom cal.diy Affected: 0 , ≤ 4.7.15 (semver)
    cpe:2.3:a:cal:cal.com:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2024-12-04 00:00
Credits
Show details on NVD website

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CVE-2024-58353 (GCVE-0-2024-58353)

Vulnerability from cvelistv5 – Published: 2026-07-23 21:16 – Updated: 2026-07-28 01:47
VLAI
Title
Cal.com through 4.7.15 Cross-Site Scripting via booking questions
Summary
Cal.com (repository calcom/cal.diy) in versions <= 4.7.15 is vulnerable to cross-site scripting (XSS) on the publicly accessible single booking view (e.g., /booking/<id>). Booking question (form field) labels are rendered via React's dangerouslySetInnerHTML without proper input sanitization or CSP, so an attacker who can create an event type with a malicious booking question label can inject arbitrary HTML/JavaScript that executes when a victim visits the booking view URL. Self-hosted instances with open registration are particularly at risk. The issue is fixed in version 4.7.16.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 14:05 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Impacted products
Vendor Product Version
calcom cal.diy Affected: 0 , ≤ 4.7.15 (semver)
    cpe:2.3:a:cal:cal.com:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2024-12-04 00:00
Credits
Show details on NVD website

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CVE-2024-56199 (GCVE-0-2024-56199)

Vulnerability from cvelistv5 – Published: 2025-01-02 17:27 – Updated: 2025-01-02 17:42
VLAI
Title
phpMyFAQ Vulnerable to Stored HTML Injection at FAQ
Summary
phpMyFAQ is an open source FAQ web application. Starting no later than version 3.2.10 and prior to version 4.0.2, an attacker can inject malicious HTML content into the FAQ editor at `http[:]//localhost/admin/index[.]php?action=editentry`, resulting in a complete disruption of the FAQ page's user interface. By injecting malformed HTML elements styled to cover the entire screen, an attacker can render the page unusable. This injection manipulates the page structure by introducing overlapping buttons, images, and iframes, breaking the intended layout and functionality. Exploiting this issue can lead to Denial of Service for legitimate users, damage to the user experience, and potential abuse in phishing or defacement attacks. Version 4.0.2 contains a patch for the vulnerability.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-02 17:41 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
References
Impacted products
Vendor Product Version
thorsten phpMyFAQ Affected: >= 3.2.10, < 4.0.2
Create a notification for this product.
Show details on NVD website

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CVE-2024-54223 (GCVE-0-2024-54223)

Vulnerability from cvelistv5 – Published: 2024-12-09 11:31 – Updated: 2026-04-28 16:10
VLAI
Title
WordPress ARForms plugin <= 1.7.1 - HTML Injection vulnerability
Summary
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in reputeinfosystems ARForms Form Builder arforms-form-builder allows Code Injection.This issue affects ARForms Form Builder: from n/a through <= 1.7.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-09 13:33 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
References
Impacted products
Vendor Product Version
reputeinfosystems ARForms Form Builder Affected: 0 , ≤ 1.7.1 (custom)
Create a notification for this product.
reputeinfosystems arforms_form_builder Affected: 0 , ≤ 1.7.1 (custom)
    cpe:2.3:a:reputeinfosystems:arforms_form_builder:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:30
Show details on NVD website

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CVE-2024-54128 (GCVE-0-2024-54128)

Vulnerability from cvelistv5 – Published: 2024-12-05 16:55 – Updated: 2024-12-06 15:56
VLAI
Title
Directus has an HTML Injection in Comment
Summary
Directus is a real-time API and App dashboard for managing SQL database content. The Comment feature has implemented a filter to prevent users from adding restricted characters, such as HTML tags. However, this filter operates on the client-side, which can be bypassed, making the application vulnerable to HTML Injection. This vulerability is fixed in 10.13.4 and 11.2.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-06 15:56 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
References
Impacted products
Vendor Product Version
directus directus Affected: >= 10.10.0, < 10.13.4
Affected: >= 11.0.0-rc.1, < 11.2.0
Create a notification for this product.
Show details on NVD website

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CVE-2024-54001 (GCVE-0-2024-54001)

Vulnerability from cvelistv5 – Published: 2024-12-05 15:17 – Updated: 2024-12-05 16:41
VLAI
Title
Kanboard allows a persistent HTML injection site scripting in settings page date format
Summary
Kanboard is project management software that focuses on the Kanban methodology. HTML can be injected and stored into the application settings section. The fields application_language, application_date_format,application_timezone and application_time_format allow arbirary user input which is reflected. The vulnerability can become xss if the user input is javascript code that bypass CSP. This vulnerability is fixed in 1.2.41.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-05 16:40 UTC
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
References
Impacted products
Vendor Product Version
kanboard kanboard Affected: < 1.2.41
Create a notification for this product.
kanboard kanboard Affected: 0 , < 1.2.41 (custom)
    cpe:2.3:a:kanboard:kanboard:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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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.