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 admin_user_create_cus AJAX handler lacking any authentication or capability check before passing the attacker-supplied truebooker_wp_user_id parameter directly to wp_updat [truncated]
The TrueBooker plugin for WordPress has a critical vulnerability, CVE-2026-16142, with a CVSS score of 9.8. The plugin is vulnerable to Account Takeover in all versions up to, and including, 1.2.6. This is due to the add_front_user_update() AJAX handler being registered for unauthenticated users and accepting an arbitrary truebooker_wp_user_id value, which is passed directly to wp_update_user() without ve [truncated]
CVE-2026-48881 is a critical vulnerability in the TrueBooker plugin, affecting versions <= 1.1.9. The vulnerability is caused by unauthenticated broken access control, which allows attackers to bypass access controls. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 9.1, indicating a critical severity level. The vulnerability was published on [cve-org] and additional details [truncated]
A Missing Authorization vulnerability was found in the TrueBooker truebooker-appointment-booking plugin. This issue affects TrueBooker from n/a through version 1.1.5. The vulnerability allows Exploiting Incorrectly Configured Access Control Security Levels, with a CVSS score of 5.3 and a severity of MEDIUM. The CVE record was published on 2026-04-08T09:16:37.490Z and last modified on 2026-07-24T20:10:00.1 [truncated]
