Low severityNVD Advisory· Published Nov 25, 2025· Updated Nov 25, 2025
Contao is vulnerable to cross-site scripting in templates
CVE-2025-65961
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
contao/core-bundlePackagist | >= 4.0.0, < 4.13.57 | 4.13.57 |
contao/core-bundlePackagist | >= 5.0.0-RC1, < 5.3.42 | 5.3.42 |
contao/core-bundlePackagist | >= 5.4.0-RC1, < 5.6.5 | 5.6.5 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-68q5-78xp-cwwcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-65961ghsaADVISORY
- contao.org/en/security-advisories/cross-site-scripting-in-templatesghsax_refsource_MISCWEB
- github.com/contao/contao/security/advisories/GHSA-68q5-78xp-cwwcghsax_refsource_CONFIRMWEB
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