cvedb.io
CVE-2026-9188
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2026-07-02T10:16:28.970 · Last modified 2026-07-02T20:17:08.933

Summary

The Appointment Bookings for Zoom GoogleMeet and more – Wappointment plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to and including 2.7.6 via the `appointmentkey` parameter due to the appointment `edit_key` — the sole authorization token consumed by `tryCancel()` — being generated as a predictable, unsalted MD5 hash of only `client_id` (a sequential integer), `start_at` (a publicly observable appointment timestamp), and `staff_id` (a small enumerable integer), with no secret salt or random component, and the unauthenticated cancellation and rescheduling REST endpoints performing no ownership or identity verification beyond matching this reconstructible key. This makes it possible for unauthenticated attackers to compute valid `edit_key` values fo

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.