CVE-2021-47939
Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation
- State
- Published
- Severity
- 8.7 High
- Published
- May 10, 2026
- Updated
- May 11, 2026
- Reserved
- Feb 1, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
Evolution CMSEvo |
|
References
- ExploitDB-50296exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creationthird-party-advisory
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