Servers and applications
CVE-2026-90918
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.
- Severity
- Medium 6.9
- Published
- 29 Sept 2026
- Last changed
- 6 Oct 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 5.4.8, 6.1.3
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Joomla!Servers and applications · cpe:a:joomla:joomla\! |
|