CVE-2025-65961

low-risk
Published 2025-11-25

Contao is an Open Source CMS. From version 4.0.0 to before 4.13.57, before 5.3.42, and before 5.6.5, it is possible to inject code into the template output that will be executed in the browser in the front end and back end. This issue has been patched in versions 4.13.57, 5.3.42, and 5.6.5. A workaround for this issue involves not using the affected templates or patch them manually.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Contao

References (2)

Vendor Advisory https://contao.org/en/security-advisories/cross-site-scripting-in-templates
Vendor Advisory https://github.com/contao/contao/security/advisories/GHSA-68q5-78xp-cwwc
17
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal