CVE-2026-92421: Unknown Hydra Booking — Appointment Scheduling & Booking Calendar

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Hydra Booking — Appointment Scheduling & Booking Calendar: from 1.1.0, before 1.2.3 (fixed in 1.2.3)

Published 2026-09-19. Last modified 2026-09-21.