Joomla! CMS vulnerable to XSS via the input filter

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

Em resumo

CVE-2025-54476 é uma vulnerabilidade MÉDIO (CVSS 4.8) que afeta joomla/filter.
Chance de exploração nos próximos 30 dias (EPSS): 0.31%, maior que 24.4% das vulnerabilidades.
Correção: atualize para 3.0.5, 4.0.1, 2.0.6 ou posterior.

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.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

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