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.

Remediation

References

CVE-2021-41866

Related Vulnerabilities

Plone CMS Incorrect Permission Assignment for Critical Resource Vulnerability (CVE-2021-33509)

WordPress Plugin JS MultiHotel Cross-Site Scripting (2.2.1)

MongoDb Insertion of Sensitive Information into Log File Vulnerability (CVE-2025-6711)

MySQL CVE-2024-20971 Vulnerability (CVE-2024-20971)

Oracle Database Server CVE-2011-0793 Vulnerability (CVE-2011-0793)

Severity

Medium

Classification

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

Tags

Missing Update Known Vulnerabilities CWE-707 CVE-2021-41866