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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Simply Schedule Appointments | < 1.6.12.6 | 1.6.12.6 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments ★ 1 · Jul 22, 2026
CVE-2026-16540 — Simply Schedule Appointments < 1.6.12.6 Unauthenticated Appointment Data Disclosure and Mass Deletion
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/ exploit vdb-entry technical-description