CVE-2025-29790: Contao

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Contao Contao: from 4.0.0, before 4.13.53 (fixed in 4.13.53); from 5.0.0, before 5.3.30 (fixed in 5.3.30); from 5.4.0, before 5.5.6 (fixed in 5.5.6)

Published 2025-03-18. Last modified 2026-06-17.