joomla/joomla-cms · Security
Joomla! CMS vulnerable to XSS via the input filter
- GHSA ID
- GHSA-fm22-g2q9-j3pw
- CVE ID
- CVE-2025-54476
- Severity
- medium
- Published
- Updated
- CVSS v4
- 4.8 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Description
Improper handling of input could lead to a cross-site scripting (XSS) vector in the checkAttribute method of the input filter framework class.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-54476 ↗
- https://developer.joomla.org/security-centre/1010-20250901-core-inadequate-content-filtering-within-the-checkattribute-filter-code.html ↗
- https://github.com/joomla-framework/filter/commit/188dd3fccd6fa0532d105a52736affdf6b166217 ↗
- https://github.com/joomla-framework/filter/commit/852c7e101c649500d3af58ffb8baf15d7c86d825 ↗
- https://github.com/joomla-framework/filter/commit/fcde280785f188e93530f7da68102f7dd8f9f723 ↗
- https://github.com/advisories/GHSA-fm22-g2q9-j3pw ↗