GitHub Advisory DatabaseGHSA-H58V-C6RF-G9F7Cross site scripting in the system log
0.001 Low
EPSS
Percentile
35.7%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| contao/contao | lt | 4.11.5 | |
| contao/contao | lt | 4.9.16 | |
| contao/core-bundle | lt | 4.11.5 | |
| contao/core-bundle | lt | 4.9.16 |
References
contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html
github.com/advisories/GHSA-h58v-c6rf-g9f7
github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7
github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-35210.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-35210.yaml
nvd.nist.gov/vuln/detail/CVE-2021-35210
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