Cross site scripting via input unit widget
### Impact Authenticated users can inject malicious code in widgets with units, which is then executed both in the element preview (back end) and on the website (front end). ### Patches Update to Contao 4.9.42, 4.13.28 or 5.1.10. ### Workarounds Disable login for all untrusted back end users. ### References https://contao.org/en/security-advisories/cross-site-scripting-in-widgets-with-units ### 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). ### Credits Thanks to Christian Pöschl and Fabian Brenner from usd AG for reporting this vulnerability.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-36806US | medium5.4 | — | ||
Contao is an open source content management system. Starting in version 4.0.0 and prior to versions 4.9.42, 4.13.28, and 5.1.10, it is possible for untrusted backend users to injec… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/contao/contaoPACKAGE
- https://github.com/contao/contao/commit/5c9aff32cfc1f7dc452a045862ac2f86a6b9b4b4WEB
- https://github.com/contao/contao/commit/c98585d36baa25fda69c062421e7e7eadc53c82bWEB
- https://github.com/contao/contao/commit/ccb64c777eb0f9c0e6490c9135d80e915d37cd32WEB
- https://github.com/contao/contao/security/advisories/GHSA-4gpr-p634-922xWEB
- https://herolab.usd.de/security-advisories/usd-2023-0020WEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-36806ADVISORY
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