CVE-2026-16540
Simply Schedule Appointments < 1.6.12.6 - Unauthenticated Appointment Data Disclosure and Mass Deletion via purge Endpoint
HIGH 7.5EPSS 0.4%
The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.
- Affected
- Simply Schedule Appointments
- CVSS v3.1 CNA
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.41% chance of exploitation in the next 30 days, 33rd percentile
- Published
- 2026-08-02
- Updated
- 2026-08-03
Proof-of-concept exploits (2)
- https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/
- huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments1★ · 2026-07-22