CVE-2018-10517

HIGH

CMS Made Simple < 2.2.7 - Authenticated Remote Code Execution via Module Import XML Package

Title source: manual
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2018-10517. PoCs published by Lucian Ioan Nitescu, 0x00-0x00.

AI-analyzed exploit summary This exploit targets CMS Made Simple 2.2.7 by uploading a malicious plugin via the admin interface, achieving remote code execution. It leverages a file upload vulnerability to deploy a backdoor disguised as a Matomo plugin.

Description

In CMS Made Simple (CMSMS) through 2.2.7, the "module import" operation in the admin dashboard contains a remote code execution vulnerability, exploitable by an admin user, because an XML Package can contain base64-encoded PHP code in a data element.

Exploits (2)

exploitdb WORKING POC
by Lucian Ioan Nitescu · pythonwebappsphp
https://www.exploit-db.com/exploits/45793

This exploit targets CMS Made Simple 2.2.7 by uploading a malicious plugin via the admin interface, achieving remote code execution. It leverages a file upload vulnerability to deploy a backdoor disguised as a Matomo plugin.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: CMS Made Simple 2.2.7
Auth required
Prerequisites: Admin credentials for CMS Made Simple · Access to the admin interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 5 stars
by 0x00-0x00 · poc
https://github.com/0x00-0x00/CVE-2018-10517

This PowerShell script exploits CVE-2018-10517, an authenticated RCE vulnerability in CMS Made Simple 2.2.7, by uploading a malicious module that drops a PHP file for command execution. The exploit leverages a multipart form upload to bypass restrictions and execute arbitrary commands.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: CMS Made Simple 2.2.7
Auth required
Prerequisites: Valid CMS Made Simple admin session cookies · Network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45793/

Scores

CVSS v3 7.2
EPSS 0.1551
EPSS Percentile 96.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (1)
cmsmadesimple/cms_made_simple < 2.2.7
Published Apr 27, 2018
Tracked Since Feb 18, 2026