Joomla! CMS vulnerable to XSS via the input filter

MOYENNE 4.8CVE-2025-54476 · GHSA-fm22-g2q9-j3pw · Published 30/09/2025 · updated 17/06/2026

En bref

CVE-2025-54476 est une vulnérabilité MOYENNE (CVSS 4.8) touchant joomla/filter.
Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.31%, plus élevée que 24.4% des vulnérabilités.
Correctif : mettre à jour vers 3.0.5, 4.0.1, 2.0.6 ou plus récent.

Package	Affected versions	Patched versions
joomla/filter Packagist	`≥ 3.0.0, < 3.0.5≥ 4.0.0, < 4.0.1< 2.0.6`	`3.0.54.0.12.0.6`

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

NVD description

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

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Package

Affected versions

Patched versions

Packagist

≥ 3.0.0, < 3.0.5≥ 4.0.0, < 4.0.1< 2.0.6

3.0.54.0.12.0.6