CVE-2020-21082: Maccms

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in the background administrator article management module of Maccms 8.0 allows attackers to steal administrator and user cookies via crafted payloads in the text fields for Chinese and English names.

Affected products

• Maccms Maccms: version 8.0 only

Published 2021-09-14. Last modified 2026-06-17.