CVE-2026-16540

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 dele...

CVE-2026-16540

The CVE concerns the WordPress plugin Simply Schedule Appointments (before 1.6.12.6). The root cause is a purge_appointments REST handler that does not properly scope actions to the authenticated owner, enabling an unauthenticated user to access personal data across all appointments and, in premi...