The Timetics- AI-powered Appointment Booking with Visual Seat Plan and ultimate Calendar Scheduling plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the make_staff() function in all versions up to, and including, 1.0.21. This makes it possible for unauthenticated attackers to grant users staff permissions.

Cross-Site Request Forgery (CSRF) vulnerability in Veribo, Roland Murg WP Simple Booking Calendar.This issue affects WP Simple Booking Calendar: from n/a through 2.0.8.4.

The WP Simple Booking Calendar WordPress plugin before 2.0.6 did not escape, validate or sanitise the orderby parameter in its Search Calendars action, before using it in a SQL statement, leading to an authenticated SQL injection issue

The Clockwork SMS clockwork-test-message.php component has XSS via a crafted "to" parameter in a clockwork-test-message request to wp-admin/admin.php. This component code is found in the following WordPress plugins: Clockwork Free and Paid SMS Notifications 2.0.3, Two-Factor Authentication - Clockwork SMS 1.0.2, Booking Calendar - Clockwork SMS 1.0.5, Contact Form 7 - Clockwork SMS 2.3.0, Fast Secure Contact Form - Clockwork SMS 2.1.2, Formidable - Clockwork SMS 1.0.2, Gravity Forms - Clockwork SMS 2.2, and WP e-Commerce - Clockwork SMS 2.0.5.