Auth bypass in Hydra Booking — Appointment Scheduling & Calendar
CVE-2026-92421
The Hydra Booking — Appointment Scheduling & Booking Calendar WordPress plugin before 1.2.3 does not verify that the host record being modified belongs to the user making the request, allowing authenticated users holding a Hydra Booking — Appointment Scheduling & Booking Calendar WordPress plugin before 1.2.3-assigned host role to modify other hosts' profile data and reassign ownership of another host's record to themselves.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Unknown Hydra Booking — Appointment Scheduling & Calendar
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-92421?
- CVE-2026-92421 is a medium-severity vulnerability in Hydra Booking — Appointment Scheduling & Calendar, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.7/10. Published 2026-09-19.
- How severe is CVE-2026-92421?
- Medium severity. CVSS v3 base score is 4.7 out of 10.