NVD HIGH: CVE-2021-47939 — Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows a...

Sunday, May 10, 2026 at 01:16 PM UTC·Source: NIST NVD

Updated: Friday, May 15, 2026 at 05:00 AM UTC

Executive Summary

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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2021-47939

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on May 10, 2026. Verified by: NIST.

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