Description
Contao is an Open Source CMS. Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. This vulnerability is fixed in Contao 4.13.54, 5.3.30, or 5.5.6.
Metrics
CVSS 3.1 5.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| contao | contao | >= 4.0.0, < 4.13.54; >= 5.0.0, < 5.3.30; >= 5.4.0, < 5.5.6 |
References
- https://contao.org/en/security-advisories/cross-site-scripting-through-svg-uploadsVendor Advisory
- https://github.com/contao/contao/security/advisories/GHSA-vqqr-fgmh-f626Patch, Third Party Advisory
Timeline
- Published
- Mar 18, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed