CVE-2025-65961
Low
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.
SeverityLow
CVSS3.3
Exploit probability—
Product
Contao
PublishedNov 25, 2025
First seenNov 25, 2025
Weakness typeCWE-87CWE-87
How to fix
Update
- contao contao4.13.57, 5.3.42, 5.6.5 or later
- contao/core-bundle4.13.57, 5.3.42, 5.6.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| contao contao | 4.0.0 ≤ v < 4.13.57, 5.0.0 ≤ v < 5.3.42, 5.4.0 ≤ v < 5.6.5 | 4.13.57, 5.3.42, 5.6.5 |
| contao/core-bundlePackagist | 4.0.0 ≤ v < 4.13.57, 5.0.0-RC1 ≤ v < 5.3.42, 5.4.0-RC1 ≤ v < 5.6.5 | 4.13.57, 5.3.42, 5.6.5 |
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