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Description

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Privilege Escalation in version 3.4.9. This is due to missing WordPress capability enforcement in the MCP OAuth bearer-token authorization path, where any valid OAuth token causes MCP access to be granted without verifying administrator privileges. This makes it possible for authenticated (Subscriber+) attackers to invoke admin-level MCP tools and escalate privileges to Administrator.

PUBLISHED Reserved 2026-05-15 | Published 2026-05-17 | Updated 2026-05-18 | Assigner Wordfence




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-269 Improper Privilege Management

Product status

Default status
unaffected

3.4.9
affected

Timeline

2026-05-15:Vendor Notified
2026-05-16:Disclosed

Credits

daroo finder

References

www.wordfence.com/...-3422-4817-9639-614254b609db?source=cve

plugins.trac.wordpress.org/changeset/3533527/ai-engine

cve.org (CVE-2026-8719)

nvd.nist.gov (CVE-2026-8719)

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