VULNERABILITY INTELLIGENCE

CVE-2021-41866

CVSS score5.4 MEDIUM
EPSS probability0.49%
CISA KEVNot currently listed
Published2021-10-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references