Auth bypass in Themetechmount Truebooker – Appointment Booking And Scheduler System

CVE-2026-14365

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.

Vulnerability class: Broken Access Control

EPSS: 0.003 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14365?
CVE-2026-14365 is a critical-severity vulnerability in Themetechmount Truebooker – Appointment Booking And Scheduler System, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-08-07.
How severe is CVE-2026-14365?
Critical severity. CVSS v3 base score is 9.8 out of 10.