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Description

The AI Engine plugin for WordPress is vulnerable to open redirect in version 2.8.4. This is due to an insecure OAuth implementation, as the 'redirect_uri' parameter is missing validation during the authorization flow. This makes it possible for unauthenticated attackers to intercept the authorization code and obtain an access token by redirecting the user to an attacker-controlled URI. Note: OAuth is disabled, the 'Meow_MWAI_Labs_OAuth' class is not loaded in the plugin in the patched version 2.8.5.

PUBLISHED Reserved 2025-06-18 | Published 2025-07-04 | Updated 2025-07-08 | Assigner Wordfence




HIGH: 8.0CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Product status

Default status
unaffected

2.8.4
affected

Timeline

2025-06-18:Discovered
2025-06-18:Vendor Notified
2025-07-03:Disclosed

Credits

István Márton finder

References

www.wordfence.com/...-8cb5-4899-9444-1b6ae3144917?source=cve

plugins.trac.wordpress.org/...gine/tags/2.8.4/labs/oauth.php

plugins.trac.wordpress.org/...4/ai-engine/trunk/labs/mcp.php

plugins.trac.wordpress.org/...ai-engine/trunk/labs/oauth.php

cve.org (CVE-2025-6238)

nvd.nist.gov (CVE-2025-6238)

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