CVE-2021-41866 Information

Description

MyBB before 1.8.28 allows stored XSS because the displayed Template Name value in the Admin CP’s theme management is not escaped properly.

CVSS Vector

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

Reference

https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7 https://github.com/mybb/mybb/security/advisories/

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