Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
XSS with scope change warrants S:C, C:L, and I:L; availability reduced to N since XSS does not meaningfully disrupt service availability.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in AI Engine <= 3.6.8 versions.
AnalysisAI
Cross-site scripting in the AI Engine WordPress plugin (versions up to and including 3.6.8) allows remote unauthenticated attackers to inject arbitrary JavaScript into a victim's browser session when the victim interacts with a crafted payload. The CVSS scope change (S:C) confirms execution occurs outside the plugin's security context, enabling session hijacking, credential theft, or unauthorized administrative actions against authenticated WordPress users. No public exploit code has been confirmed and this vulnerability does not appear in the CISA KEV catalog at time of analysis.
Technical ContextAI
CWE-79 (Improper Neutralization of Input During Web Page Generation) reflects insufficient sanitization or output encoding of attacker-controlled data before rendering it in the browser as executable script. The affected component is the AI Engine WordPress plugin (CPE: cpe:2.3:a:jordy_meow:ai_engine:*:*:*:*:*:*:*:*) by Jordy Meow, which integrates AI-powered capabilities - including chatbot interfaces, content generation tools, and AI assistants - directly into WordPress sites via public-facing UI elements. The unauthenticated attack vector (PR:N per CVSS) indicates the injection point is accessible without any login, likely through a public form, chatbot input, or URL parameter rendered by the plugin. The scope change metric (S:C) is consistent with reflected or stored XSS where payload execution crosses into the browser security context of another user, most dangerously an authenticated administrator.
RemediationAI
Update the AI Engine WordPress plugin to a version beyond 3.6.8 using the WordPress plugin update mechanism or by manually downloading from the WordPress plugin repository. The exact patched release version is not independently confirmed in available intelligence - verify the current stable version against the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/ai-engine/vulnerability/wordpress-ai-engine-plugin-3-6-3-cross-site-scripting-xss-vulnerability) before deploying. As a compensating control while patching is pending, consider disabling public-facing AI Engine features such as chatbot widgets or unauthenticated submission forms at the plugin settings level or via web server configuration to eliminate the unauthenticated injection surface; note this may disrupt intended AI-powered site functionality. A web application firewall with XSS signature rules can provide partial mitigation but should not substitute for patching, as WAF bypass for XSS is well-documented and reliable.
Unrestricted file upload in Jordy Meow's AI Engine: ChatGPT Chatbot plugin for WordPress (versions up to and including 1
Arbitrary file write in the AI Engine WordPress plugin before 3.5.5 lets authenticated editor-level users abuse an unsan
Path traversal in the AI Engine WordPress plugin (versions 3.3.3 through 3.7.1) allows arbitrary server file reads with
Privilege escalation in the AI Engine WordPress plugin (versions 2.8.0 through 3.6.0) enables any sub-site Administrator
The AI Engine WordPress plugin before 2.6.5 does not sanitize and escape a parameter from one of its RESP API endpoint b
AI Engine < 2.4.3 is susceptible to remote-code-execution (RCE) via Log Poisoning. Rated high severity (CVSS 7.2), this
Server-Side Request Forgery (SSRF) vulnerability in Jordy Meow AI Engine: ChatGPT Chatbot.1.4. Rated medium severity (CV
Cleartext exposure of third-party API keys and authentication tokens in AI Engine WordPress plugin (before 3.6.4) allows
Unauthorized access to private chatbot conversations in the AI Engine WordPress plugin before 3.5.5 allows any authentic
Unauthenticated remote attackers can invoke AI queries against a site owner's configured provider account through the AI
Unrestricted Upload of File with Dangerous Type vulnerability in Jordy Meow AI Engine: ChatGPT Chatbot.2.63. Rated criti
Unrestricted Upload of File with Dangerous Type vulnerability in Jordy Meow AI Engine: ChatGPT Chatbot.1.4. Rated critic
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-53975
GHSA-m853-gvx3-8j6r