Hydra Booking <= 1.2.1 - Authenticated (Custom+) Insecure Direct Object Reference to Sensitive Information Exposure via 'booking_id' Parameter

4.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2026-12433
CVSS 4.3 (Medium)
Publicly Published July 8, 2026
Last Updated July 9, 2026
Researcher Quang

Description

The Hydra Booking – Appointment Scheduling & Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 1.2.1 via the /wp-json/hydra-booking/v1/booking/details/{id} REST endpoint. This is due to the getBookingDetails() callback only enforcing the tfhb_manage_options capability via tfhb_manage_options_permission(), without verifying that the requested booking belongs to the currently authenticated host (the lookup in getBookingDetailsData() filters solely on the booking id supplied in the URL). This makes it possible for authenticated attackers, with Hydra Host-level access and above (a role created by the plugin which grants tfhb_manage_options), to view sensitive booking records belonging to other hosts, including attendee names, emails, phone numbers, addresses, meeting details, payment method and status, transaction history, and internal notes by iterating booking IDs.

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Vulnerability Details for Hydra Booking — Appointment Scheduling & Booking Calendar

Software Type Plugin
Software Slug hydra-booking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.2.2, or a newer patched version
Affected Version
  • <= 1.2.1
Patched Version
  • 1.2.2

Recent vulnerabilities in Hydra Booking — Appointment Scheduling & Booking Calendar

# Title CVE ID CVSS Researchers Date
1 Hydra Booking — Appointment Scheduling & Booking Calendar <= 1.1.44 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57388 7.2 Nguyen Dinh Hai (HaiND) July 8, 2026
2 Hydra Booking — Appointment Scheduling & Booking Calendar <= 1.1.41 - Missing Authorization CVE-2026-42675 5.3 Raihan Adi Arba May 15, 2026
3 Hydra Booking <= 1.1.38 - Authenticated (Hydra host+) Stored Cross-Site Scripting CVE-2026-39541 6.4 benzdeus February 15, 2026
4 Hydra Booking <= 1.1.32 - Unauthenticated Privilege Escalation CVE-2025-68027 9.8 daroo January 21, 2026
5 Hydra Booking <= 1.1.32 - Authenticated (Custom role+) SQL Injection CVE-2025-68055 6.5 Jarno Vos (jarnovos) November 27, 2025
6 Hydra Booking – All in One Appointment Booking System | Appointment Scheduling, Booking Calendar & WooCommerce Bookings <= 1.1.27 - Missing Payment Verification to Unauthenticated Payment Bypass CVE-2025-12788 5.3 Ahmad Salem (a7mad.cc) November 10, 2025
7 Hydra Booking – All in One Appointment Booking System | Appointment Scheduling, Booking Calendar & WooCommerce Bookings <= 1.1.27 - Unauthenticated Arbitrary Booking Cancellation via Weak Hash Generation CVE-2025-12787 5.3 Ahmad Salem (a7mad.cc) November 10, 2025
8 Hydra Booking 1.1.0 - 1.1.18 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via tfhb_reset_password_callback Function CVE-2025-7689 8.8 kr0d July 28, 2025
9 Hydra Booking <= 1.1.10 - Authenticated (Subscriber+) SQL Injection CVE-2025-49378 6.5 Nguyen Ngoc Quang Bach (maysbachs) June 12, 2025
10 Hydra Booking <= 1.1.9 - Missing Authorization CVE-2025-49377 4.3 Nguyen Ngoc Quang Bach (maysbachs) June 12, 2025

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