CVE-2025-66145 MEDIUM

CVE-2025-66145: WordPress Worker for WPBakery plugin <= 1.1.1 - Broken Access Control vulnerability

Vendor Merkulove
Product Worker for WPBakery
Weakness CWE-862 · Missing authorization
Published December 31, 2025
Last update April 28, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in merkulove Worker for WPBakery worker-wpbakery allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Worker for WPBakery: from n/a through <= 1.1.1.

Explanation of Vulnerability in Simple Terms

02Summary

Worker for WPBakery versions up to 1.1.1 lack proper authorization checks, allowing authenticated users to modify or disable site functionality. An attacker with low-level access can alter content integrity or disrupt site operations without higher privileges. Update to a version newer than 1.1.1 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Modify or disable site functionality without requiring higher-level permissions.

Potential impact on your site

04Site Impact

Authenticated users can alter content or disrupt site operations beyond their intended permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account on the WordPress site.

Key dates

06Disclosure timeline

December 31, 2025 CVE published
April 28, 2026 Record updated