CVE-2026-16953AI Engine < 3.6.4 - Unauthenticated Cross-Session Chatbot File Deletion via Forgeable Session Cookie
Updated under an hour ago ()
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It affects Unknown AI Engine. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.8 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown AI Engine unknown:ai_engine (from the name) | before 3.6.4 | CNA record |
References
- https://wpscan.com/vulnerability/8f5460a7-9764-4ce1-9cb4-8202b192765d/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.