CVE-2026-40775 HIGH

CVE-2026-40775: WordPress Royal MCP plugin <= 1.4.2 - Broken Access Control vulnerability

Vendor Royal Plugins

Product Royal MCP

Weakness CWE-862 · Missing authorization

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Royal MCP <= 1.4.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Royal MCP versions up to 1.4.2 lack proper authorization checks, allowing unauthenticated attackers to read sensitive data, modify content, or disrupt service. The vulnerability requires only network access and no user interaction. Site administrators should update to a version newer than 1.4.2 immediately.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify content, or disrupt service without authentication.

Potential impact on your site

04Site Impact

Unauthorized users can access, modify, or disrupt Royal MCP functionality without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-40775 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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