CVE-2025-29790
CVE-2025-29790 is a medium-severity vulnerability in Contao with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v4: 4.8
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-6706
- Weakness: CWE-79
- Affected product: Contao
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-29790?
- 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.
- How severe is CVE-2025-29790?
- CVE-2025-29790 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2025-29790 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-29790?
- CVE-2025-29790 affects Contao. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-29790?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-29790 have an EU (EUVD) identifier?
- Yes. CVE-2025-29790 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6706.
- When was CVE-2025-29790 published?
- CVE-2025-29790 was published on 2025-03-18 and last updated on 2026-06-17.
References
- https://contao.org/en/security-advisories/cross-site-scripting-through-svg-uploads
- https://github.com/contao/contao/security/advisories/GHSA-vqqr-fgmh-f626
Affected products (1)
- cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
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