AI Engine – The Chatbot, AI Framework & MCP for WordPress <= 3.4.9 - Authenticated (Editor+) Privilege Escalation

7.2
Incorrect Privilege Assignment
CVE CVE-2026-27407
CVSS 7.2 (High)
Publicly Published May 28, 2026
Last Updated June 2, 2026
Researcher Phat RiO

Description

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.4.9. This makes it possible for authenticated attackers, with Editor-level access and above, to elevate their privileges.

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Vulnerability Details for AI Engine – The Chatbot, AI Framework & MCP for WordPress

Software Type Plugin
Software Slug ai-engine (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.5.0, or a newer patched version
Affected Version
  • <= 3.4.9
Patched Version
  • 3.5.0

Recent vulnerabilities in AI Engine – The Chatbot, AI Framework & MCP for WordPress

# Title CVE ID CVSS Researchers Date
1 AI Engine 3.4.9 - Authenticated (Subscriber+) Privilege Escalation via Missing Authorization in MCP OAuth Bearer Token CVE-2026-8719 8.8 daroo May 16, 2026
2 AI Engine – The Chatbot, AI Framework & MCP for WordPress <= 3.3.2 - Authenticated (Editor+) Arbitrary File Upload CVE-2026-23802 7.2 0xd4rk5id3 February 25, 2026
3 AI Engine <= 3.3.2 - Authenticated (Editor+) Arbitrary File Upload via 'filename' Parameter in update_media_metadata Endpoint CVE-2026-1400 7.2 type5afe January 27, 2026
4 AI Engine <= 3.3.2 - Authenticated (Subscriber+) Server-Side Request Forgery CVE-2026-0746 6.4 type5afe January 27, 2026
5 AI Engine <= 3.1.8 - Authenticated (Editor+) Server-Side Request Forgery CVE-2025-8084 6.8 Jonas Benjamin Friedli November 18, 2025
6 AI Engine <= 3.1.8 - Authenticated (Subscriber+) PHP Object Injection via PHAR Deserialization CVE-2025-12844 7.1 ISMAILSHADOW November 12, 2025
7 AI Engine <= 3.1.3 - Unauthenticated Sensitive Information Exposure to Privilege Escalation CVE-2025-11749 9.8 Emiliano Versini November 4, 2025
8 Ai Engine <= 2.9.5 - Missing Authorization to Unauthenticated Uploaded Files Disclosure And Deletion CVE-2025-8268 6.5 ISMAILSHADOW September 3, 2025
9 AI Engine 2.9.3 - 2.9.4 - Authenticated (Subscriber+) Arbitrary File Upload CVE-2025-7847 8.8 ISMAILSHADOW July 30, 2025
10 AI Engine <= 2.9.4 - Missing URL Scheme Validation to Authenticated (Subscriber+) Arbitrary File Read via simpleTranscribeAudio and get_audio Functions CVE-2025-7780 6.5 ISMAILSHADOW July 23, 2025

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