TrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'truebooker_wp_user_id'

9.8
Missing Authorization
CVE CVE-2026-14365
CVSS 9.8 (Critical)
Publicly Published August 6, 2026
Last Updated August 7, 2026
Researcher Nhien Pham (nhienit) (nhienit) - GalaxyOne

Description

The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.2.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to change the password of arbitrary user accounts, including administrators, which can be leveraged to gain access to those accounts.

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Vulnerability Details for TrueBooker – Appointment Booking and Scheduler System

Software Type Plugin
Software Slug truebooker-appointment-booking (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.2.4, or a newer patched version
Affected Version
  • <= 1.2.3
Patched Version
  • 1.2.4

Recent vulnerabilities in TrueBooker – Appointment Booking and Scheduler System

# Title CVE ID CVSS Researchers Date
1 TrueBooker – Appointment Booking and Scheduler System < 1.2.7 - Missing Authorization CVE-2026-18777 5.3 Mokksh Parekh August 21, 2026
2 TrueBooker – Appointment Booking and Scheduler System < 1.2.7 - Unauthenticated Privilege Escalation CVE-2026-18776 7.3 Abdullah Kareem August 21, 2026
3 TrueBooker – Appointment Booking and Scheduler System < 1.2.7 - Unauthenticated Information Exposure CVE-2026-18778 5.3 Luka Zimonjic August 21, 2026
4 TrueBooker – Appointment Booking and Scheduler System < 1.2.7 - Missing Authorization CVE-2026-18779 5.3 Erwan LR August 21, 2026
5 TrueBooker – Appointment Booking and Scheduler System <= 1.2.6 - Unauthenticated Privilege Escalation CVE-2026-73347 7.3 Abdullah Kareem "cyberkareem" August 19, 2026
6 TrueBooker <= 1.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to Account Takeover to 'truebooker_wp_user_id' Parameter CVE-2026-18315 9.8 Décio Brandão August 18, 2026
7 TrueBooker <= 1.2.6 - Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebooker_wp_user_id' Parameter CVE-2026-16142 9.8 Nabil Irawan August 14, 2026
8 TrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'tbab-userid' CVE-2026-14364 9.8 thevietronin August 6, 2026
9 TrueBooker <= 1.2.2 - Unauthenticated SQL Injection CVE-2026-13161 7.5 Karan J July 27, 2026
10 TrueBooker – Appointment Booking and Scheduler System <= 1.2.3 - Unauthenticated Privilege Escalation CVE-2026-61951 9.8 yangsori July 17, 2026

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