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OpenAdvisories
High · 8.1 CVE-2026-10750 EUVD-2026-40914GHSA-mggr-4wrj-4f4g

Royal MCP < 1.4.26 - Subscriber+ Insufficient Authorization in MCP Tools

Published Jul 1, 2026 · Updated Jul 1, 2026 · Assigned by WPScan

Description

The Royal MCP WordPress plugin before 1.4.26 does not perform capability checks on the majority of its MCP tools after token authentication, allowing authenticated users with a low-privileged role such as Subscriber to read private content, enumerate all users and their roles, and create, modify, or delete content owned by other users.

Affected products

VendorProductAffectedFixed
— Royal MCP < 1.4.26 1.4.26

References