CVE-2024-21726: Joomla!

Medium severity, CVSS 6.5. EPSS: 48.8% chance of exploitation in the next 30 days.

Inadequate content filtering leads to XSS vulnerabilities in various components.

Affected products

• Joomla! Joomla!: from 3.7.0, up to and including 3.10.15; from 4.0.0, before 4.4.3 (fixed in 4.4.3); from 5.0.0, before 5.0.3 (fixed in 5.0.3)

Published 2024-02-29. Last modified 2026-06-17.