AI Engine – The Chatbot, AI Framework & MCP for WordPress <= 3.4.9 — Authenticated (Editor+) Privilege Escalation
CVE-2026-27407Published · Updated Action summary
Affected: ≤3.4.9Update to 3.5.0 or newer
All remediation steps- Severity
- High7.2
- CVSS
- 7.2CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
AI Engine – MCP Server & AI Chatbot for WordPress, with Claude, ChatGPT & Gemini ai-engine
- Affected≤ 3.4.9
- Patched in3.5.0
Update to 3.5.0 or newer.
You are affected if you run ≤ 3.4.9. Version 3.5.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under AI Engine – MCP Server & AI Chatbot for WordPress, with Claude, ChatGPT & Gemini.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.5.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch AI Engine – MCP Server & AI Chatbot for WordPress, with Claude, ChatGPT & Gemini to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Phat RiO.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in AI Engine – MCP Server & AI Chatbot for WordPress, with Claude, ChatGPT & Gemini
All 46| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤3.9.1Update to 3.9.2 | CVE-2026-123478 | |
| Medium4.3 | Cross-Site Request Forgery ≤3.8.8Update to 3.8.9 | CVE-2026-65566 | |
| High7.5 | Missing Authorization to Administrator Account Takeover via Unauthenticated MCP OAuth Client Registration ≤3.8.6Update to 3.8.7 | CVE-2026-110732 | |
| Medium4.2 | Authenticated (Subscriber+) Limited Media File Deletion via 'metadata' Parameter ≤3.8.4Update to 3.8.5 | CVE-2026-107745 | |
| Medium4.3 | Missing Authorization ≤3.8.6Update to 3.8.7 | CVE-2026-112828 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤3.9.1Update to 3.9.2
- Medium4.3Cross-Site Request Forgery
≤3.8.8Update to 3.8.9
- High7.5Missing Authorization to Administrator Account Takeover via Unauthenticated MCP OAuth Client Registration
≤3.8.6Update to 3.8.7
- Medium4.2Authenticated (Subscriber+) Limited Media File Deletion via 'metadata' Parameter
≤3.8.4Update to 3.8.5
- Medium4.3Missing Authorization
≤3.8.6Update to 3.8.7
Timeline
CVE published
Severity high, CVSS 7.2
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.