CVE-2020-21653: Myucms Project Myucms

Critical severity, CVSS 9.1. EPSS: 1.2% chance of exploitation in the next 30 days.

Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sj() method.

Affected products

• Myucms Project Myucms: version 2.2 only

Published 2021-10-06. Last modified 2026-06-17.