Improper handling of input could lead to an XSS vector in the checkAttribute method of the input filter framework class.

According to its self-reported version, the instance of Joomla! running on the remote web server is 4.x prior to 4.4.14 or 5.x prior to 5.3.4. It is, therefore, affected by multiple vulnerabilities.

 - Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components. (CVE-2025-54476)

 - Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method. (CVE-2025-54477)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Improper handling of input could lead to an XSS vector in the checkAttribute method of the input filter
    framework class. (CVE-2025-54476)

ID	Name	Product	Family	Severity
114982	Joomla! 4.x < 4.4.14 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
114981	Joomla! 5.x < 5.3.4 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	medium
435489	SCA: security update for joomla/filter (GHSA-fm22-g2q9-j3pw)	Tenable Cloud Security	SCA Checks	medium
435489	SCA: security update for joomla/filter (GHSA-fm22-g2q9-j3pw)	Tenable Self-Hosted Container Security	SCA Checks	medium

Detections

Analytics

CVE-2025-54476

medium

Tenable Plugins

medium

medium

medium

medium