CVE-2026-92232: Joomla!

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Joomla! Core - [20260916] - Core - XSS filter bypass in InputFilter via whitespace characters in HTML data URIs in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The cleanAttribute method removes HTML data URIs, however injected whitespaces characters could circumvent that cleanup, causing an XSS vector.

Affected products

• Joomla! Joomla!: from 1.5.0, before 5.4.8 (fixed in 5.4.8); from 6.0.0, before 6.1.3 (fixed in 6.1.3)

Published 2026-09-29. Last modified 2026-10-06.