CVE-2021-35210 Information

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.

CVSS Vector

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

Reference

https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7 https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1