CVE-2026-90918
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Sep 29, 2026
Vendor
unknown
Description
Joomla! Core - [20260908] - Core - XSS in HTML Mail Templates in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - The mail template feature lacks an escaping mechanism, causing XSS vectors in multiple extensions.