Is CVE-2018-17418 actively exploited?

No active exploitation of CVE-2018-17418 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-17418 be exploited remotely?

Yes. CVE-2018-17418 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-17418?

CVE-2018-17418 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2018-17418

HIGH

CVE-2018-17418

CWE-434Published: March 7, 2019· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

Monstra CMS 3.0.4 allows remote attackers to execute arbitrary PHP code via a mixed-case file extension, as demonstrated by the 123.PhP filename, because plugins\box\filesmanager\filesmanager.admin.php mishandles the forbidden_types variable.

NVD Source

Technical Analysis

CVE-2018-17418 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.