Auth bypass in Hydra Booking — Appointment Scheduling & Calendar

CVE-2026-92420

The Hydra Booking — Appointment Scheduling & Booking Calendar WordPress plugin before 1.2.2 does not verify that a booking belongs to the requesting user before modifying or deleting it on two of its booking endpoints, allowing a booking-provider-level user to cancel and permanently delete other providers' bookings on the same site.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (24.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-92420: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Hydra Booking — Appointment Scheduling & Calendar

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92420?
CVE-2026-92420 is a low-severity vulnerability in Hydra Booking — Appointment Scheduling & Calendar, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.8/10. Published 2026-09-19.
How severe is CVE-2026-92420?
Low severity. CVSS v3 base score is 3.8 out of 10.