CVE-2026-40778 MEDIUM

CVE-2026-40778: WordPress Majestic Support plugin <= 1.1.2 - Broken Access Control vulnerability

Vendor Majestic Support
Product Majestic Support
Weakness CWE-862 · Missing authorization
Published April 15, 2026
Last update April 29, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Majestic Support Majestic Support majestic-support allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Majestic Support: from n/a through <= 1.1.2.

Explanation of Vulnerability in Simple Terms

02Summary

Majestic Support versions 1.1.2 and earlier lack proper authorization checks, allowing unauthenticated attackers to read sensitive information. The vulnerability requires only network access and no user interaction. An attacker can access data they should not be able to view without authentication or special privileges.

What an attacker can do

03Attacker Capabilities

Read sensitive information without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can access confidential data stored in or processed by Majestic Support.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 15, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE