CVE-2021-47939CWE-94

Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation

High · published May 10, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
49.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00638 · 49.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-05-10T12:43Z
EPSS history
Timeline
  • 10 MAY 12:43Z
    Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation
    cvelistv5