CVE-2020-25557: Cmsuno Project Cmsuno

High severity, CVSS 8.8. EPSS: 10% chance of exploitation in the next 30 days.

In CMSuno 1.6.2, an attacker can inject malicious PHP code as a "username" while changing his/her username & password. After that, when attacker logs in to the application, attacker's code will be run. As a result of this vulnerability, authenticated user can run command on the server.

Affected products

• Cmsuno Project Cmsuno: version 1.6.2 only

Published 2020-11-13. Last modified 2026-06-17.