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

Quick assessment

Affected
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress是tigroumeow的WordPress插件。 tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress 3.6.5及之前版本存在跨站请求伪造漏洞，该漏洞源于reauth_for_authorize函数缺少或不正确的nonce验证，可能导致未经身份验证的攻击者通过跨站请求伪造绕过REST认证

CVSS 8.8 · High EPSS 0.30% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress ≤ 3.6.5 affected
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I. Basic Information for CVE-2026-15988

Vulnerability Information
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Vulnerability Title
AI Engine <= 3.6.5 - Cross-Site Request Forgery to Privilege Escalation via REQUEST_URI Substring Match
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress是tigroumeow的WordPress插件。 tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress 3.6.5及之前版本存在跨站请求伪造漏洞，该漏洞源于reauth_for_authorize函数缺少或不正确的nonce验证，可能导致未经身份验证的攻击者通过跨站请求伪造绕过REST认证
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
tigroumeow AI Engine – The Chatbot, AI Framework & MCP for WordPress 0 ~ 3.6.5 -

II. Public POCs for CVE-2026-15988

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III. Intelligence Information for CVE-2026-15988

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Patches & Fixes for CVE-2026-15988 (6)

News Coverage for CVE-2026-15988 (1)

IV. Related Vulnerabilities

Same product: AI Engine – The Chatbot, AI Framework & MCP for WordPress
Same vendor: tigroumeow
Same weakness: CWE-352

V. Comments for CVE-2026-15988

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