CVE-2025-29790

Contao allows cross-site scripting through SVG uploads

State: Published
Severity: 4.8 Medium
Published: Mar 18, 2025
Updated: Mar 18, 2025
Reserved: Mar 11, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
contaocontao	>= 4.0.0, < 4.13.54Affected >= 5.0.0, < 5.3.30Affected >= 5.4.0, < 5.5.6Affected

References

https://github.com/contao/contao/security/advisories/GHSA-vqqr-fgmh-f626
https://contao.org/en/security-advisories/cross-site-scripting-through-svg-uploads

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.