---
id: CVE-2026-111958
title: Royal MCP < 1.5.7 - Authentication Bypass via Preview Link Token
summary: >-
  The Royal MCP  WordPress plugin before 1.5.7 does not limit a preview-link
  token to the single preview it was issued for, so any party that obtains a
  valid token is authenticated as the token's owning user, an administrator in
  the defaul…
severity: none
cwe:
  - CWE-287
product: Royal MCP
affected:
  - royal_mcp < 1.5.7
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T06:00:17.950Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111958'
references:
  - url: 'https://wpscan.com/vulnerability/014f061c-54f3-491e-b4a0-85cfa6fb178b/'
tags:
  - cve.org
ingestedAt: '2026-10-22T06:30:48.517Z'
---

## Overview

The Royal MCP  WordPress plugin before 1.5.7 does not limit a preview-link token to the single preview it was issued for, so any party that obtains a valid token is authenticated as the token's owning user, an administrator in the default configuration, across the entire REST API with no nonce, leading to full site takeover.

## Affected

- `royal_mcp < 1.5.7`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.