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…
GitHub_M·CWE-87·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.
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.
### Impact It is possible to inject code into the template output that will be executed in the browser in the front end and back end. ### Patches Update to Contao 4.13.57, 5.3.42 or 5.6.5. ### Workarounds Do not use the affected templates or patch them manually. ### Refsources https://contao.org/en/security-advisories/cross-site-scripting-in-templates
### Impact It is possible to inject code into the template output that will be executed in the browser in the front end and back end. ### Patches Update to Contao 4.13.57, 5.3.42 or 5.6.5. ### Workarounds Do not use the affected templates or patch them manually. ### Refsources https://contao.org/en/security-advisories/cross-site-scripting-in-templates
Contao es un CMS de código abierto. Desde la versión 4.0.0 hasta la 4.13.57, hasta la 5.3.42, y hasta la 5.6.5, es posible inyectar código en la salida de la plantilla que se ejecutará en el navegador en el front end y back end. Este problema ha sido parcheado en las versiones 4.13.57, 5.3.42, y 5.6.5. Una solución alternativa para este problema implica no usar las plantillas afectadas o parchearlas manualmente.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 3.1 | Primary | NVD | 4.8 | 1.7 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | Primary | cve.org | 3.3 | — | — | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | Primary | cve.org | 3.3 | — | — | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | Secondary | GHSA | 3.3 | — | — | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N |
| 3.1 | Secondary | NVD | 3.3 | 0.7 | 2.5 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N |