CVE-2025-29790

4.8 mediumEPSS 0.2%

Medium (4.8) in contao contao. 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.

Severity

CVSS 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

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-03-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

contao:contao

References

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

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