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.
CVE-2026-8719 is a high severity with CVSS 8.8 Privilege Escalation issue affecting the Plugin AI Engine – The Chatbot, AI Framework & MCP for WordPress. It affects 3.4.9 through 3.4.9 and is fixed in 3.5.0.
Use the related hub and response guides to connect this CVE-2026-8719 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-8719 is tracked for the Plugin AI Engine – The Chatbot, AI Framework & MCP for WordPress as high severity with CVSS 8.8. The affected range is 3.4.9 through 3.4.9. Update AI Engine – The Chatbot, AI Framework & MCP for WordPress to 3.5.0 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with 3.4.9 through 3.4.9.
Confirm AI Engine – The Chatbot, AI Framework & MCP for WordPress is updated to 3.5.0 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
ai-engine
View on wordpress.org
|
| CVE | CVE-2026-8719 |
| Patched Versions |
3.5.0
|
| Affected Versions |
3.4.9 through 3.4.9
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
AI Engine <= 3.1.3 - Unauthenticated Sensitive Information Exposure to Privilege Escalation
AI Engine: ChatGPT Chatbot <= 1.9.98 - Unauthenticated Arbitrary File Upload via rest_upload
AI Engine: ChatGPT Chatbot <= 2.2.63 - Authenticated (Editor+) Arbitrary File Upload
AI Engine 2.9.3 - 2.9.4 - Authenticated (Subscriber+) Arbitrary File Upload
AI Engine 2.8.0 - 2.8.3 - Authenticated (Subscriber+) Insufficient Authorization to Privilege Escalation via MCP
AI Engine 2.8.4 - Insecure OAuth Implementation
AI Engine – The Chatbot, AI Framework & MCP for WordPress <= 3.3.2 - Authenticated (Editor+) Arbitrary File Upload
AI Engine <= 3.3.2 - Authenticated (Editor+) Arbitrary File Upload via 'filename' Parameter in update_media_metadata Endpoint
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