CVE-2026-86839Bookly < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion via IDOR
Updated under an hour ago ()
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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.
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The Online Scheduling and Appointment Booking System WordPress plugin before 28.3 does not verify that appointment and payment records requested through its staff-role AJAX actions belong to the requesting staff member, allowing authenticated attackers with a staff-level account to view, modify and delete other staff members' appointments and payments, including the associated customer's personal information.
- CVSS
- 3.8 LOW (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:H/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 28, 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) | before 28.3 | CNA record |
References
- https://wpscan.com/vulnerability/3ab8b879-3ef7-4aa4-8620-1bde99697dcb/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.