CVE-2026-16953

AI Engine < 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Session Cookie

Published Aug 8, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
The AI Engine WordPress plugin before 3.6.4 does not verify ownership of a guest's uploaded chatbot files before deletion, authorising the action solely by a client-supplied session cookie value, so an unauthenticated attacker who obtains a victim's session identifier and file reference can delete that victim's uploaded files.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-639
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ai Engine Project
Ai Engine Project ai Engine
Wordpress
Wordpress wordpress
Vendors & Products Ai Engine Project
Ai Engine Project ai Engine
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Description The AI Engine WordPress plugin before 3.6.4 does not verify ownership of a guest's uploaded chatbot files before deletion, authorising the action solely by a client-supplied session cookie value, so an unauthenticated attacker who obtains a victim's session identifier and file reference can delete that victim's uploaded files.
Title AI Engine < 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Session Cookie
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 11, 2026, 7:39 PM
Reserved
Jul 24, 2026, 8:07 AM
Status
Deferred
Published
Aug 8, 2026, 7:17 AM
Modified
Aug 26, 2026, 4:31 PM