CVE-2026-73336: Joomla!

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs.

Affected products

• Joomla! Joomla!: from 5.1.0, before 5.4.8 (fixed in 5.4.8); from 6.0.0, up to and including 6.1.3

Published 2026-08-18. Last modified 2026-09-03.