CVE-2026-16540
Simply Schedule Appointments < 1.6.12.6 - Unauthenticated Appointment Data Disclosure and Mass Deletion via purge Endpoint
- State
- Published
- Severity
- 7.5 High
- Published
- Aug 2, 2026
- Updated
- Aug 3, 2026
- Reserved
- Jul 22, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
Simply Schedule AppointmentsUnknown |
|
References
- https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/exploitvdb-entrytechnical-description
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