CVE-2026-91847
Bookly < 28.2 - Unauthenticated AI Assistant Conversation Disclosure and Message Injection via IDOR
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 19, 2026
- Updated
- Sep 19, 2026
- Reserved
- Sep 15, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
Online Scheduling and Appointment Booking SystemUnknown |
|
References
- https://wpscan.com/vulnerability/9eef3086-3a67-4ee2-bd78-e346e7b05d62/exploitvdb-entrytechnical-description
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