Online Sports Complex Booking v1.0 was discovered to contain a SQL injection vulnerability via the id parameter.

The WP Booking System WordPress plugin before 2.0.15 was affected by a reflected xss in wp-booking-system on the wpbs-calendars admin page.

Laundry Booking Management System 1.0 (Latest) and previous versions are affected by a remote code execution (RCE) vulnerability in profile.php through the "image" parameter that can execute a webshell payload.

The Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

The WordPress Online Booking and Scheduling Plugin WordPress plugin before 20.3.1 does not escape the Staff Full Name field before outputting it back in a page, which could lead to a Stored Cross-Site Scripting issue

The Booking.com Product Helper WordPress plugin before 1.0.2 does not sanitize and escape Product Code when creating Product Shortcode, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

An HTML injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the msg parameter to /event-management/index.php. An attacker can leverage this vulnerability in order to change the visibility of the website. Once the target user clicks on a given link he will display the content of the HTML code of the attacker's choice.

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the Holiday reason parameter. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

Laravel Booking System Booking Core 2.0 is vulnerable to Incorrect Access Control. On the Verifications page, after uploading an ID Card or Trade License and viewing it, ID Cards and Trade Licenses of other vendors/users can be viewed by changing the URL.