TrueBooker <= 1.2.6 - Unauthenticated Authorization Bypass

TrueBooker – Appointment Booking and Scheduler System WordPress plugin = 1.2.6 contains an authorization bypass through user-controlled key caused by lack of authentication in adminusercreatecus AJAX handler, letting unauthenticated attackers take over any user account by overwriting email and...

VulnCheck KEV: CVE-2026-18315

The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key leading to Account Takeover in all versions up to, and including, 1.2.6. This is due to the adminusercreatecus AJAX handler lacking any authentication o...

CVE-2026-18315: Authorization Bypass Through User-Controlled Key

The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key leading to Account Takeover in all versions up to, and including, 1.2.6. This is due to the adminusercreatecus AJAX handler lacking any authentication o...