Description
Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, it is possible to inject insert tags in frontend forms if the output is structured in a very specific way. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, do not output user data from frontend forms next to each other, always separate them by at least one character.
Metrics
CVSS 3.1 5.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| contao | contao | >= 4.0.0, < 4.13.40; >= 5.0.0, < 5.3.4 |
References
- https://contao.org/en/security-advisories/insert-tag-injection-via-the-form-generatorVendor Advisory
- https://github.com/contao/contao/commit/388859dcf110ca70e0fae68a2a5579ab6a702919Patch
- https://github.com/contao/contao/commit/474a2fc25f1d84d786aba8c6d234af99e64d016bPatch
- https://github.com/contao/contao/security/advisories/GHSA-747v-52c4-8vj8Vendor Advisory
- https://contao.org/en/security-advisories/insert-tag-injection-via-the-form-generatorVendor Advisory
- https://github.com/contao/contao/commit/388859dcf110ca70e0fae68a2a5579ab6a702919Patch
- https://github.com/contao/contao/commit/474a2fc25f1d84d786aba8c6d234af99e64d016bPatch
- https://github.com/contao/contao/security/advisories/GHSA-747v-52c4-8vj8Vendor Advisory
Timeline
- Published
- Apr 9, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed