CVE-2026-76586

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

CVE-2026-76586: Improper Access Control

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

PT-2026-83405

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a...

CVE-2026-13358: Authorization Bypass Through User-Controlled Key

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssapastappointments due to missing validation on a user controlled key. This makes it...

CVE-2026-27377

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress = 1.0.16 versions...

CVE-2026-27377 WordPress QuickCal - Appointment Booking Calendar for WordPress plugin <= 1.0.16 - Broken Access Control vulnerability

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress = 1.0.16 versions...

EUVD-2026-48154

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress = 1.0.16 versions...

CVE-2026-27377: Missing Authorization

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress = 1.0.16 versions...

PT-2026-63812

Booking Agent Broken Access Control in QuickCal - Appointment Booking Calendar for WordPress = 1.0.16 versions...

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...

EUVD-2026-42178

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this c...

CVE-2026-12378: Undefined Security Weakness

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this c...

PT-2026-56328

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this c...

CVE-2026-12113 Appointment Booking Calendar <= 1.4.02 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Disclosure

The Appointment Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.02 via the cpabcappointmentsfilterlist. This makes it possible for authenticated attackers, with contributor-level access and above, to extract customer...

CVE-2026-12113: Missing Authorization

The Appointment Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.02 via the cpabcappointmentsfilterlist. This makes it possible for authenticated attackers, with contributor-level access and above, to extract customer...

WordPress Appointment Booking Calendar plugin <= 1.4.02 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Disclosure vulnerability

Missing Authorization to Authenticated Contributor+ Sensitive Information Disclosure vulnerability discovered by PRISM in WordPress Plugin Appointment Booking Calendar versions = 1.4.02...

CVE-2026-1856

The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-1856

The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

CVE-2026-1856 Appointment Booking Calendar <= 1.4.4 - Authenticated (Author+) Stored Cross-Site Scripting via Custom Booking Field Label

The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

EUVD-2026-37980

The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...