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CVE-2025-29790

MEDIUMCVSS 4.8/10EPSS 0.20%

Last modified

CVE-2025-29790 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.4/10

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

CVSS 4.0
4.8/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.20%

10.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ContaoContao>= 4.0.0, < 4.13.53
ContaoContao>= 5.0.0, < 5.3.30
ContaoContao>= 5.4.0, < 5.5.6

References

Timeline

Published
Last Modified
Status
Analyzed

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 score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2025-29790?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-29790?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST