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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Joomla! Project | Joomla! CMS | 4.0.0-5.4.8, 6.0.0-6.1.3 | — |
Advisories 1
- WID-SEC-2026-3636 Joomla: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 29, 2026