CVE-2021-47939

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductEvolution CMS
PublishedMay 10, 2026
First seenMay 10, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Evo Evolution CMS3.1.6—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.