CVE-2021-20186 Information

Description

It was found in Moodle before version 3.10.1 3.9.4 3.8.7 and 3.5.16 that if the TeX notation filter was enabled additional sanitizing of TeX content was required to prevent the risk of stored XSS.

CVSS Vector

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

Reference

https://moodle.org/mod/forum/discuss.php?d=417170

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4