Medium severity5.4NVD Advisory· Published Mar 18, 2025· Updated Jun 17, 2026
CVE-2025-29790
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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LLM-synthesized narrative grounded in this CVE's description and references.
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
3Patches
Vulnerability mechanics
References
4- github.com/contao/contao/security/advisories/GHSA-vqqr-fgmh-f626nvdPatchThird Party AdvisoryWEB
- contao.org/en/security-advisories/cross-site-scripting-through-svg-uploadsnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-vqqr-fgmh-f626ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-29790ghsaADVISORY
News mentions
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