Moderate severityNVD Advisory· Published Mar 18, 2025· Updated Mar 18, 2025
Contao allows cross-site scripting through SVG uploads
CVE-2025-29790
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
contao/core-bundlePackagist | >= 4.0.0, < 4.13.54 | 4.13.54 |
contao/core-bundlePackagist | >= 5.3.0, < 5.3.30 | 5.3.30 |
contao/core-bundlePackagist | >= 5.4.0, < 5.5.6 | 5.5.6 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-vqqr-fgmh-f626ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-29790ghsaADVISORY
- contao.org/en/security-advisories/cross-site-scripting-through-svg-uploadsghsax_refsource_MISCWEB
- github.com/contao/contao/security/advisories/GHSA-vqqr-fgmh-f626ghsax_refsource_CONFIRMWEB
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