GHSA-4gpr-p634-922x
Cross site scripting via input unit widget
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | contao/core-bundle | >= 4.0.0, < 4.9.42 | 4.9.42 |
| Packagist | contao/core-bundle | >= 4.10.0, < 4.13.28 | 4.13.28 |
| Packagist | contao/core-bundle | >= 5.0.0, < 5.1.10 | 5.1.10 |
Details
As written in the advisory (Markdown source, shown as plain text).
### 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.
References
External links from the advisory. They lead to third-party sites.
- https://github.com/contao/contao/security/advisories/GHSA-4gpr-p634-922x
- https://nvd.nist.gov/vuln/detail/CVE-2023-36806
- https://github.com/contao/contao/commit/5c9aff32cfc1f7dc452a045862ac2f86a6b9b4b4
- https://github.com/contao/contao/commit/c98585d36baa25fda69c062421e7e7eadc53c82b
- https://github.com/contao/contao/commit/ccb64c777eb0f9c0e6490c9135d80e915d37cd32
- https://github.com/contao/contao
- https://herolab.usd.de/security-advisories/usd-2023-0020