CVE-2026-16940

10 CRITICAL

Published 2026-08-05 · Updated 2026-08-06

AI risk analysis

Summary: The flaw allows unauthenticated users to delete arbitrary files, leading to potential full site takeover.
Exploitability: Exploitation is relatively easy as no authentication is required; attackers need only upload a malicious file path.
Blast radius: If exploited, the impact could be severe, potentially compromising the entire website and data.
Prioritized remediation: Update to Custom Fields WordPress plugin version 1.5.1 or later immediately.

rceauth-bypassweb

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

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

Weaknesses

CWE-22

All references

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

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.