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CVE-2025-12788

Hydra Booking – All in One Appointment Booking System | Appointment Scheduling, Booking Calendar & WooCommerce Bookings <= 1.1.27 - Missing Payment Verification to Unauthenticated Payment Bypass

MEDIUM
5.3
CVSS Score
Published: November 11, 2025 at 11:03 AM UTC
Updated: October 18, 2026 at 09:10 PM UTC
1 product affected across 1 vendorHydra Booking

Using Hydra Booking — Appointment Scheduling & Booking Calendar by themefic?

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hydra Booking· Themeficwordpress-plugin
90%
0 ≤ v ≤ 1.1.270

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.wordfence.com/threat-intel/vulnerabilities/id/b49ce4a2-52ad-4824-86fc-5edd2e33802d?source=cve
Source: cverecord
https://plugins.trac.wordpress.org/changeset/3392864/hydra-booking/tags/1.1.28/app/Shortcode/HydraBookingShortcode.php?old=3392467&old_path=hydra-booking%2Ftags%2F1.1.27%2Fapp%2FShortcode%2FHydraBookingShortcode.php

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-602

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