CVE-2021-47939

HighCVSS 8.8/10Last modified Jul 25, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 10, 2026
Last modified
Jul 25, 2026
NVD status
Deferred

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CVE-2021-47939: High severity, CVSS 8.8 | Vulnix