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 Booking Calendar WpDevArt plugin is vulnerable to time-based, blind SQL injection via the `id` parameter in the “wpdevart_booking_calendar” shortcode in versions up to, and including, 3.2.19 due to insufficient escaping on the user-supplied parameter and lack of sufficient preparation on the existing SQL query. The vulnerability requires the “delete_prev_date” theme option being enabled. This makes it possible for authenticated attackers, with contributor-level access or above, to append additional SQL queries into already existing query that can be used to extract sensitive information such as passwords from the database.

The WP BASE Booking of Appointments, Services and Events plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the export_db function in all versions up to, and including, 4.9.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to expose sensitive information from the database, such as the hashed administrator password.

The Ebook Store plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'step' parameter in all versions up to, and including, 5.8001 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Ebook Store plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 5.8001. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

The Travel Booking WordPress Theme theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the '__stPartnerCreateServiceRental', 'st_delete_order_item', '_st_partner_approve_booking', 'save_order_item', and '__userDenyEachInfo' functions in all versions up to, and including, 3.1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify posts, delete posts and pages, approve arbitrary orders, insert orders with arbitrary prices, and deny user information.

The Travel Booking WordPress Theme theme for WordPress is vulnerable to blind time-based SQL Injection via the ‘order_id’ parameter in all versions up to, and including, 3.1.6 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The WP BASE Booking of Appointments, Services and Events plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘status’ parameter in all versions up to, and including, 4.9.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Iqonic Design WPBookit allows SQL Injection.This issue affects WPBookit: from n/a through 1.6.0.

Cross-Site Request Forgery (CSRF) vulnerability in Simple Booking Simple Booking Widget allows Stored XSS.This issue affects Simple Booking Widget: from n/a through 1.1.