CVE-2021-47939: Evo Evolution CMS

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows authenticated users with module creation permissions to execute arbitrary system commands by injecting PHP code into module parameters. Attackers can send POST requests to /manager/index.php with malicious PHP code in the 'post' parameter to create modules that execute arbitrary commands when invoked.

Affected products

• Evo Evolution CMS: version 3.1.6 only

Published 2026-05-10. Last modified 2026-07-25.