CVE-2026-65514: Improper Neutralization of Input During Web Page Generation

Contributor Cross Site Scripting XSS in Appointment Hour Booking = 1.5.86 versions...

PT-2026-63929

Contributor Cross Site Scripting XSS in Appointment Hour Booking = 1.5.86 versions...

Exploit for CVE-2026-16540

CVE-2026-16540 — Simply Schedule Appointments WPRESTServer:...

WordPress QuickCal - Appointment Booking Calendar for WordPress plugin <= 1.0.16 - Broken Access Control vulnerability

WordPress QuickCal - Appointment Booking Calendar for WordPress plugin = 1.0.16 - Broken Access Control vulnerability discovered by Phat RiO in WordPress Plugin QuickCal - Appointment Booking Calendar for WordPress versions = 1.0.16...

WordPress Booking calendar, Appointment Booking System plugin <= 3.2.17 - SQL Injection vulnerability

SQL Injection vulnerability discovered by shaman0x01 - Shaman Red Team in WordPress Plugin Booking calendar, Appointment Booking System versions = 3.2.17...

CVE-2026-11866

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the...

WordPress Instant Appointment plugin <= 1.2 - Unauthenticated Arbitrary File Upload vulnerability

Unauthenticated Arbitrary File Upload vulnerability discovered by Random Robbie in WordPress Plugin Instant Appointment versions = 1.2...

CVE-2026-11866

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the...

EUVD-2026-44871

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the...

PT-2026-60413

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the...

CVE-2026-11866: Cross-Site Request Forgery (CSRF)

The Appointment Booking Plugin WordPress plugin before 5.6.3 does not validate a CSRF nonce on several state-changing actions handled by its central request dispatcher, allowing attackers to perform privileged actions, such as overwriting the booking-form configuration or disconnecting the...

Information Exposure

Overview alextselegidis/easyappointments is a powerful Open Source Appointment Scheduler that can be installed on your server. Affected versions of this package are vulnerable to Information Exposure via the customers search endpoint. An attacker can access appointment hashes belonging to other...

CVE-2026-55651

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointmen...

CVE-2026-55651 Easy!Appointments Vulnerable to Appointments Takeover via Excessive Data Exposure

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointmen...

CVE-2026-55651

Easy!Appointments exposes an Excessive Data Exposure vulnerability in the customers search endpoint (affected in 1.5.2) that allows an authenticated user to obtain appointment hashes belonging to other users, enabling modification or deletion of others’ appointments and leading to an Appointments...

CVE-2026-55651 Easy!Appointments Vulnerable to Appointments Takeover via Excessive Data Exposure

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointmen...

CVE-2026-55651 Easy!Appointments Vulnerable to Appointments Takeover via Excessive Data Exposure

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointmen...

CVE-2026-52839 Easy!Appointments appointments/store and appointments/update allow cross-provider appointment injection — Authorization Bypass

Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 correctly filter provider-scoped appointments in the appointments/search response, proving that provider isolation is an intended security boundary. However, the direct mutation endpoints appointments/store and...

CVE-2026-52839 Easy!Appointments appointments/store and appointments/update allow cross-provider appointment injection — Authorization Bypass

Easy!Appointments is a self hosted appointment scheduler. Versions prior to 1.6.0 correctly filter provider-scoped appointments in the appointments/search response, proving that provider isolation is an intended security boundary. However, the direct mutation endpoints appointments/store and...

CVE-2026-52837

Easy!Appointments is a self hosted appointment scheduler. In versions up to and including 1.5.2, the booking reschedule view at /index.php/booking/reschedule/appointmenthash handled by Booking::index embeds the entire customer record as inline JavaScript const vars = ... "customerdata": ...,...