CVE-2021-35210 – contao/core-bundle

Package

Manager: composer
Name: contao/core-bundle
Vulnerable Version: >=4.5.0 <4.9.16 || >=4.10.0 <4.11.5

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

EPSS: 0.00317 pctl0.54158

Details

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).

Metadata

Created: 2021-07-01T17:00:04Z
Modified: 2025-04-17T12:45:28Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/07/GHSA-h58v-c6rf-g9f7/GHSA-h58v-c6rf-g9f7.json
CWE IDs: ["CWE-79"]
Alternative ID: GHSA-h58v-c6rf-g9f7
Finding: F425
Auto approve: 1