What is GHSA-fm22-g2q9-j3pw?

GHSA-fm22-g2q9-j3pw is a security advisory published by GitHub Security Advisories with Medium severity. Joomla! CMS vulnerable to XSS via the input filter

Which CVE IDs does GHSA-fm22-g2q9-j3pw cover?

GHSA-fm22-g2q9-j3pw covers the following CVE IDs: CVE-2025-54476. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by GHSA-fm22-g2q9-j3pw?

GHSA-fm22-g2q9-j3pw affects 3 products, including: composer/joomla/filter:= 4.0.0; composer/joomla/filter:\u003e= 3.0.0, \u003c 3.0.5; composer/joomla/filter:\u003c 2.0.6.

GHSA-fm22-g2q9-j3pwMedium

Joomla! CMS vulnerable to XSS via the input filter

Vendor

GitHub Security Advisories

Published

September 30, 2025

Last Modified

October 1, 2025

🔗 CVE IDs covered (1)

CVE-2025-54476 →

📋 Description

Improper handling of input could lead to a cross-site scripting (XSS) vector in the checkAttribute method of the input filter framework class.

🎯 Affected products3

composer/joomla/filter:= 4.0.0
composer/joomla/filter:>= 3.0.0, < 3.0.5
composer/joomla/filter:< 2.0.6

🔗 References (6)

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