CVE-2026-16940

critical

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

https://wpscan.com/vulnerability/a315a6ac-3ffb-4735-92ca-6e85338f8807/

Details

Source: Mitre, NVD

Published: 2026-08-05

Updated: 2026-08-26

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00167