The MCP Server for WordPress WordPress plugin before 1.8.2 does not correctly verify the WordPress REST API nonce for cookie-authenticated requests when a condition an attacker can influence is present, allowing unauthenticated attackers to perform administrator-only actions, including creating a new administrator account, by tricking a logged-in administrator into visiting a crafted page.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
unknown:mcp server for wordpress