CVE-2025-12788 Business logic in Hydra Booking — Appointment Scheduling & Booking Calendar
Unauthenticated attackers can bypass payment verification to confirm bookings as paid without actual payment, affecting Hydra Booking plugin users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12788?
CVE-2025-12788 is a medium-severity vulnerability in themefic Hydra Booking — Appointment Scheduling & Booking Calendar, published on 11 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Hydra Booking — Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to missing payment verification to unauthenticated payment bypass in all versions up to, and including, 1.1.27. This is due to the plugin accepting client-controlled payment confirmation data in the tfhb_meeting_paypal_payment_confirmation_callback function without server-side verification with PayPal's API. This makes it possible for unauthenticated attackers to bypass payment requirements and confirm bookings as paid without any actual payment transaction occurring.
Weakness: CWE-602
Which versions are affected by CVE-2025-12788?
How do I fix CVE-2025-12788?
No fix has been published for CVE-2025-12788 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-12788 being exploited?
There is no known exploitation of CVE-2025-12788 in the wild and no public exploit code.
Sources
Also known as GHSA-g9g3-xwvp-8w6r.