CVE-2022-30506: Mingsoft Mcms

Critical severity, CVSS 9.8. EPSS: 2.6% chance of exploitation in the next 30 days.

An arbitrary file upload vulnerability was discovered in MCMS 5.2.7, allowing an attacker to execute arbitrary code through a crafted ZIP file.

Affected products

• Mingsoft Mcms: version 5.2.7 only

Published 2022-06-02. Last modified 2026-06-17.