The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.1.23 export settings functionality exports data to a public folder, with an easily guessable file name, allowing unauthenticated attackers to access the exported files (if they exist).

The Appointment Booking Calendar Plugin and Scheduling Plugin – BookingPress plugin for WordPress is vulnerable to SQL Injection via the 'category' parameter of the 'bookingpress_form' shortcode in all versions up to, and including, 1.1.21 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Contributor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The WP Timetics- AI-powered Appointment Booking Calendar and Online Scheduling Plugin plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the /wp-json/timetics/v1/customers/ REST API endpoint in all versions up to, and including, 1.0.27. This makes it possible for authenticated attackers, with Timetics Customer access and above, to delete arbitrary users.

The WP Timetics- AI-powered Appointment Booking Calendar and Online Scheduling Plugin plugin for WordPress is vulnerable to Account Takeover/Privilege Escalation via Insecure Direct Object Reference in all versions up to, and including, 1.0.25 via the save() due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to reset the emails and passwords of arbitrary user accounts, including administrators, which makes account takeover and privilege escalation possible.

The Appointment Booking Calendar Plugin and Online Scheduling Plugin – BookingPress plugin for WordPress is vulnerable to authentication bypass in versions 1.1.6 to 1.1.7. This is due to the plugin not properly verifying a user's identity prior to logging them in when completing a booking. This makes it possible for unauthenticated attackers to log in as registered users, including administrators, if they have access to that user's email. This is only exploitable when the 'Auto login user after successful booking' setting is enabled.

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.

The BookingPress plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient filename validation in the 'bookingpress_process_upload' function in all versions up to, and including 1.0.87. This allows an authenticated attacker with administrator-level capabilities or higher to upload arbitrary files on the affected site's server, enabling remote code execution.