WordPress Appointment Booking Calendar System Plugin Cross-Site Scripting Vulnerability

WordPress is the Wordpress Foundation’s set of blogging platform developed using the PHP language. The platform supports the hosting of personal blogging sites on PHP and MySQL servers. WordPress plugin is a WordPress open source application plugin. WordPress Appointment Booking Calendar System plugin in versions prior to 1.5.11 has a cross-site scripting vulnerability that stems from the lack of data validation filtering of user-supplied data and output. An attacker could exploit this vulnerability to execute JavaScript code on the client side.