Vulnerabilities CVE-2021-47939

CVE-2021-47939

High

Open

TLP:CLEAR

Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation

NVD CVE.org

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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.

Details

CVSS Score: 8.7
EPSS Score ⓘ: 0.64%

47.6th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: May 10, 2026
Last Modified: May 10, 2026

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