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.

External Control of Assumed-Immutable Web Parameter vulnerability in WpDevArt Booking calendar, Appointment Booking System allows Manipulating Hidden Fields.This issue affects Booking calendar, Appointment Booking System: from n/a through 3.2.3.

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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Scientech It Solution Appointment Calendar allows Reflected XSS.This issue affects Appointment Calendar: from n/a through 2.9.6.

The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.

Cross-Site Request Forgery (CSRF) vulnerability in Scientech It Solution Appointment Calendar plugin <= 2.9.6 versions.

A vulnerability classified as critical has been found in CP Appointment Calendar Plugin up to 1.1.5 on WordPress. This affects the function dex_process_ready_to_go_appointment of the file dex_appointments.php. The manipulation of the argument itemnumber leads to sql injection. It is possible to initiate the attack remotely. The patch is named e29a9cdbcb0f37d887dd302a05b9e8bf213da01d. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-225351.

Missing Authorization vulnerability in Appointment Booking Calendar plugin <= 1.3.69 on WordPress.

The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Description or Name) in any booking form to be any formula, which then could be exported via the Bookings list tab in /wp-admin/admin.php?page=cpabc_appointments.php. The attacker could achieve remote code execution via CSV injection.