TrueBooker – Appointment Booking and Scheduler System <= 1.1.9 - Missing Authorization
| CVE | CVE-2026-48881 |
|---|---|
| CVSS | 5.3 (Medium) |
| Publicly Published | June 2, 2026 |
| Last Updated | June 8, 2026 |
| Researcher |
Vincent Sevkli
|
Description
The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 1.1.9. This makes it possible for unauthenticated attackers to perform an unauthorized action.
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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 1.2.0, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
Recent vulnerabilities in TrueBooker – Appointment Booking and Scheduler System
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Truebooker - Appointment Booking and Scheduler Plugin <= 1.1.4 - Sensitive Information Exposure via Views Files | CVE-2026-1797 | Kazuma Matsumoto | March 30, 2026 | |
| 2 | TrueBooker <= 1.1.6 - Missing Authorization | CVE-2026-39663 | Nabil Irawan | February 18, 2026 | |
| 3 | TrueBooker <= 1.1.0 - Missing Authorization | CVE-2025-67581 | daroo | December 15, 2025 | |
| 4 | TrueBooker <= 1.0.7 - Cross-Site Request Forgery | CVE-2025-47543 | haudayroi | May 7, 2025 | |
| 5 | TrueBooker <= 1.0.2 - Cross-Site Request Forgery to Settings Update | CVE-2024-6925 | Bob Matyas | August 10, 2024 | |
| 6 | TrueBooker <= 1.0.3 - Unauthenticated SQL Injection | CVE-2024-6924 | Eddie Zhang (Project Black) | August 10, 2024 |
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