Authorization Bypass in TrueBooker Appointment Booking Plugin for WordPress
CVE-2026-14349

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Truebooker – Appointment Booking And Scheduler System
Vendor
CVE Published:
16 September 2026

What is CVE-2026-14349?

The TrueBooker Appointment Booking and Scheduler System plugin for WordPress contains a security flaw that allows unauthorized users to bypass authorization checks. This issue impacts all versions up to and including 1.2.3, enabling attackers to modify the email addresses of any user account, including those of administrators. By exploiting this vulnerability, an attacker can reset passwords and gain unauthorized access, posing significant security risks to WordPress websites utilizing this plugin.

Affected Version(s)

TrueBooker – Appointment Booking and Scheduler System 0 <= 1.2.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?old_path=/tr...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Devlin Jenkins
.