What is GHSA-m93v-54x2-539c?

GHSA-m93v-54x2-539c is a security advisory published by GitHub Security Advisories with Critical severity. The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path...

Which CVE IDs does GHSA-m93v-54x2-539c cover?

GHSA-m93v-54x2-539c covers the following CVE IDs: CVE-2026-16940. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m93v-54x2-539c?

GHSA-m93v-54x2-539c has a CVSS v3 base score of 10.0, published by GitHub Security Advisories.

GHSA-m93v-54x2-539cCriticalCVSS 10.0

The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path...

Vendor

GitHub Security Advisories

Published

August 5, 2026

Last Modified

August 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-16940 →

📋 Description

The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path before deletion, allowing unauthenticated users to delete arbitrary files on the server (such as wp-config.php), which can lead to a full site takeover.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16940
https://wpscan.com/vulnerability/a315a6ac-3ffb-4735-92ca-6e85338f8807
https://github.com/advisories/GHSA-m93v-54x2-539c