CVE-2025-66143 MEDIUM

CVE-2025-66143: WordPress Crumber plugin <= 1.0.10 - Broken Access Control vulnerability

Vendor Merkulove
Product Crumber
Weakness CWE-862 · Missing authorization
Published January 22, 2026
Last update April 28, 2026
View on NVD All CVEs

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 Crumber crumber-elementor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Crumber: from n/a through <= 1.0.10.

Explanation of Vulnerability in Simple Terms

02Summary

Crumber versions 1.0.10 and earlier lack proper authorization checks, allowing authenticated users to modify or disable site functionality. An attacker with low-level account access can alter settings or data without proper permission validation. The vulnerability affects integrity and availability but not confidentiality. Update to a version newer than 1.0.10.

What an attacker can do

03Attacker Capabilities

Modify site settings or disable functionality without proper authorization.

Potential impact on your site

04Site Impact

Authenticated users can alter site configuration or disable features they shouldn't access.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated