CVE-2026-18779

The TrueBooker WordPress plugin (versions before 1.2.7 ) has a missing authorisation check in the update_appointment_booked AJAX action, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records. The vulnerability was disc...

CVE-2026-18779 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record Deletion via update_appointment_booked

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records...

EUVD-2026-62284

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records...

CVE-2026-18777

The TrueBooker WordPress plugin before 1.2.7 exposes an AJAX endpoint (update_appointment_status) with no authorisation checks, letting unauthenticated attackers change any appointment's status and trigger notification emails to customers. CVSS 3.1 scores 5.3 (Medium) for integrity impact only. R...

CVE-2026-18776 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX Actions

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to change the email address of arbitrary users, including administrators, and subsequently take over their account via the password reset flow...

CVE-2026-18778 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multiple AJAX Actions

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address...

EUVD-2026-62283

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address...

CVE-2026-18777 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Change via update_appointment_status

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers...

CVE-2026-18776

CVE-2026-18776 is a critical (CVSS 9.8) unauthenticated account takeover vulnerability in the TrueBooker Appointment Booking WordPress plugin, affecting versions prior to 1.2.7 . The root cause is missing authorization checks on certain AJAX actions , which allow any unauthenticated attacker to c...

CVE-2026-18778

The TrueBooker WordPress appointment-booking plugin (versions before 1.2.7) lacks authorization checks in several AJAX endpoints, allowing unauthenticated remote attackers to retrieve customer PII—name, email, phone, and postal address—via crafted requests. CVSS 3.1 scores this MEDIUM (5.3). No e...

EUVD-2026-62281

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to change the email address of arbitrary users, including administrators, and subsequently take over their account via the password reset flow...

EUVD-2026-62282

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers...

PT-2026-78571

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 authenticatio...

PT-2026-78337

Name of the Vulnerable Software and Affected Versions TrueBooker versions prior to 1.2.7 Description An issue exists that allows unauthenticated users to perform privilege escalation. Recommendations Update to a version newer than 1.2.6...

WordPress TrueBooker plugin <= 1.2.6 - Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebooker_wp_user_id' Parameter vulnerability

Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebookerwpuserid' Parameter vulnerability discovered by Nabil Irawan - Heroes Cyber Security in WordPress Plugin TrueBooker versions = 1.2.6...

CVE-2026-16142

The TrueBooker plugin for WordPress is vulnerable to Account Takeover in all versions up to, and including, 1.2.6. This is due to the addfrontuserupdate AJAX handler being registered for unauthenticated users and accepting an arbitrary truebookerwpuserid value, which is passed directly to...

CVE-2026-16142

CVE-2026-16142 concerns the TrueBooker WordPress plugin (versions up to 1.2.6). The vulnerability arises because the add_front_user_update() AJAX handler is registered for unauthenticated users and accepts an arbitrary truebooker_wp_user_id, passing it directly to wp_update_user() without authent...

CVE-2026-16142 TrueBooker <= 1.2.6 - Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebooker_wp_user_id' Parameter

The TrueBooker plugin for WordPress is vulnerable to Account Takeover in all versions up to, and including, 1.2.6. This is due to the addfrontuserupdate AJAX handler being registered for unauthenticated users and accepting an arbitrary truebookerwpuserid value, which is passed directly to...

EUVD-2026-59598

The TrueBooker plugin for WordPress is vulnerable to Account Takeover in all versions up to, and including, 1.2.6. This is due to the addfrontuserupdate AJAX handler being registered for unauthenticated users and accepting an arbitrary truebookerwpuserid value, which is passed directly to...

PT-2026-72880

Name of the Vulnerable Software and Affected Versions TrueBooker versions prior to 1.2.7 Description The plugin is susceptible to account takeover because the add front user update AJAX handler is accessible to unauthenticated users. The handler accepts an arbitrary truebooker wp user id value an...