CVE-2026-16940

CRITICAL

Custom Fields for WooCommerce < 1.5.1 - Unauthenticated Arbitrary File Deletion via Path Traversal

Title source: cna
STIX 2.1

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 (1)

Core 1
Core References
Exploit exploit vdb-entry technical-description
https://wpscan.com/vulnerability/a315a6ac-3ffb-4735-92ca-6e85338f8807/

Scores

CVSS v3 10.0
EPSS 0.0040
EPSS Percentile 32.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
None/Custom Fields < 1.5.1
Published Aug 05, 2026
Tracked Since Aug 05, 2026