CVE-2026-16940CWE-22path-traversal

CVE-2026-16940

Critical · published August 5, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
46.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00572 · 46.6th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-08-05T11:16Z
References (1)
EPSS history
Timeline
  • 05 AUG 06:00Z
    Custom Fields for WooCommerce < 1.5.1 - Unauthenticated Arbitrary File Deletion via Path Traversal
    cvelistv5