Contao Insert tag injection in forms
### Impact It is possible to inject insert tags in front end forms which will be replaced when the page is rendered. ### Patches Update to Contao 4.4.52, 4.9.6 or 4.10.1. ### Workarounds Disable the front end login form and do not use form fields with array keys such as `fieldname[]`. ### References https://contao.org/en/security-advisories/insert-tag-injection-in-forms ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-25768US | medium5.3 | — | ||
Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced wh… | ||||
references
External citations — patches, advisories, analysis.
- https://community.contao.org/en/forumdisplay.php?4-AnnouncementsWEB
- https://contao.org/en/security-advisories/insert-tag-injection-in-forms.htmlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2020-25768.yamlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2020-25768.yamlWEB
- https://github.com/contao/contaoPACKAGE
- https://github.com/contao/contao/security/advisories/GHSA-f7wm-x4gw-6m23WEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-25768ADVISORY
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