CVE-2021-47939

Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation

Published May 10, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation
First Time appeared Evo
Evo evolution Cms
Weaknesses CWE-94
CPEs cpe:2.3:a:evo:evolution_cms:3.1.6:*:*:*:*:*:*:*
Vendors & Products Evo
Evo evolution Cms
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 11, 2026, 4:09 PM
Reserved
Feb 1, 2026, 11:24 AM
Status
Deferred
Published
May 10, 2026, 1:16 PM
Modified
Jul 25, 2026, 10:10 AM