Is CVE-2018-10517 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2018-10517, but active exploitation has not been confirmed.

Can CVE-2018-10517 be exploited remotely?

Yes. CVE-2018-10517 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-10517?

CVE-2018-10517 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2018-10517

HIGHPOC

CVE-2018-10517

CWE-94Published: April 27, 2018· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-10517 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.

A proof-of-concept (PoC) exploit exists for CVE-2018-10517. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.