CVE-2026-16953

MEDIUM CVSS 3.1: 4.8 EPSS 0.19%
Updated Aug 26, 2026
WordPress
Parameter Value
CVSS 4.8 (MEDIUM)
Affected Versions before 3.6.4
Type CWE-639 (Authorization Bypass), CWE-639 Authorization Bypass Through User-Controlled Key
Vendor WordPress
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products

unknown:ai engine