A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the cpabc_appointments.php file, the Calendar Name input could allow attackers to inject arbitrary JavaScript or HTML.

The Pinpoint Booking System – #1 WordPress Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the 'language' parameter in all versions up to, and including, 2.9.9.5.2 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 Subscriber-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 Package plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the locale parameter in all versions up to, and including, 1.6.72 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 Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Form To Online Booking allows Reflected XSS. This issue affects Form To Online Booking: from n/a through 1.0.

The WP Booking Calendar plugin for WordPress is vulnerable to Unauthenticated Post-Confirmation Booking Manipulation in all versions up to, and including, 10.10. This is due to the plugin not properly requiring re-verification after a booking has been made and a change is being attempted. This makes it possible for unauthenticated attackers to manipulate their confirmed bookings, even after they have been approved.

The Eventer plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'eventer_export_bookings_csv' function in all versions up to, and including, 3.9.9. This makes it possible for authenticated attackers with subscriber-level permissions or above, to download bookings, which contains customers' personal data.

The Eventer plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'handle_pdf_download_request' function in all versions up to, and including, 3.9.9. This makes it possible for unauthenticated attackers to download event tickets.

The Eventer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 3.9.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Deserialization of Untrusted Data vulnerability in MagePeople Team Taxi Booking Manager for WooCommerce allows Object Injection. This issue affects Taxi Booking Manager for WooCommerce: from n/a through 1.1.8.