CVE-2026-96525
Deferred Deferred - Pending Action

MCP Server Workflow Modification via Contributor Role

Publication date: 2026-09-26

Last updated on: 2026-09-26

Assigner: WPScan

Description
The MCP Server for WordPress WordPress plugin before 1.8.2 does not perform an ownership or sufficient capability check on its workflow create, update and delete REST routes, allowing users with the Contributor role to modify, delete and create site-wide workflow configuration, including workflows created by administrators.

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Meta Information

Published
2026-09-26
Last Modified
2026-09-26
Generated
2026-10-16
AI Q&A
2026-09-26
EPSS Evaluated
2026-10-14
NVD
CVE-2026-96525
EUVD
EUVD-2026-87537

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wpsecure mcp_server_for_wordpress to 1.8.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

The MCP Server for WordPress plugin before version 1.8.2 has a vulnerability where it does not check if users have the proper permissions before allowing them to create, update, or delete workflows. This means users with the Contributor role can modify or delete workflows created by administrators, including site-wide configurations.

Detection Guidance

Check the installed version of the MCP Server for WordPress plugin. If it is below 1.8.2, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin directory for version details.

Impact Analysis

If you use the MCP Server for WordPress plugin before version 1.8.2, an attacker with the Contributor role could alter or delete important workflows, disrupting site operations or causing data loss. This could affect website functionality and integrity.

Compliance Impact

This vulnerability could lead to unauthorized changes in workflows, potentially violating data integrity and access control requirements in GDPR or HIPAA. Unauthorized modifications may result in non-compliance with these regulations.

Mitigation Strategies

Update the MCP Server for WordPress plugin to version 1.8.2 or later immediately. Remove or disable the plugin if an update is not possible. Review user roles to ensure Contributors do not have unnecessary permissions.

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