Description
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 browser when the system log is called in the back end.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.htmlVendor Advisory
- https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7Third Party Advisory
- https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.htmlVendor Advisory
- https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7Third Party Advisory
Timeline
- Published
- Jun 23, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified