CVE-2026-91847Bookly < 28.2 - Unauthenticated AI Assistant Conversation Disclosure and Message Injection via IDOR
Updated under an hour ago ()
Does this affect you?
It affects Unknown Online Scheduling and Appointment Booking System. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
The Online Scheduling and Appointment Booking System WordPress plugin before 28.2 does not verify that the requester owns the AI booking-assistant conversation named in its unauthenticated conversation actions, allowing any unauthenticated visitor to read another visitor's assistant messages and to inject messages into their in-progress conversation.
- CVSS
- 4.8 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- 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
- Sep 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Online Scheduling and Appointment Booking System unknown:online_scheduling_and_appointment_booking_system (from the name) | from 28.1 before 28.2 | CNA record |
References
- https://wpscan.com/vulnerability/9eef3086-3a67-4ee2-bd78-e346e7b05d62/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.