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High 8.8Published Aug 1, 2026

CVE-2026-15988AI Engine <= 3.6.5 - Cross-Site Request Forgery to Privilege Escalation via REQUEST_URI Substring Match

Updated under an hour ago ()

Does this affect you?

It affects tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The AI Engine – The Chatbot, AI Framework & MCP for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.6.5 This is due to missing or incorrect nonce validation on the reauth_for_authorize function. This makes it possible for unauthenticated attackers to create new administrator accounts with attacker-supplied credentials via a CSRF-based REST authentication bypass, granted they can trick a site administrator into performing an action such as clicking on a link. This bypass can be combined with WordPress's ?_method=POST method-override support to convert a top-navigation GET request into an authenticated POST to the REST users endpoint, requiring no existing account on the attacker's part.

CVSS
8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-352
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Wordfence
NVD analysis
Deferred
Record last updated
Aug 3, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress
tigroumeow:ai_engine_the_chatbot_ai_framework_and_mcp_for_wordpress (from the name)
through 3.6.5
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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