CVE-2026-48951: Joomla!

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Lack of escaping leads to XSS vulnerabilities in modalreturn layouts of various components.

Affected products

• Joomla! Joomla!: from 4.0.0, before 5.4.7 (fixed in 5.4.7); from 6.0.0, before 6.1.2 (fixed in 6.1.2)

Published 2026-07-07. Last modified 2026-07-09.