Cross site scripting in the system log
### Impact It is possible to inject code into the `tl_log` table that will be executed in the browser when the system log is called in the back end. ### Patches Update to Contao 4.9.16 or 4.11.5. ### Workarounds Disable the system log module in the back end for all users (especially admin users). ### References https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021 ### 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).
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2021-35210US | medium6.1 | — | ||
Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the brow… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.htmlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-35210.yamlWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-35210.yamlWEB
- https://github.com/contao/contaoPACKAGE
- https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-35210ADVISORY
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