WordPress Simple Image Gallery plugin cross-site scripting vulnerability

WordPress is the Wordpress Foundation’s set of blogging platform developed using the PHP language. The platform supports setting up personal blog sites on PHP and MySQL servers. simple Image Gallery plugin is a WordPress open source application plugin. the WordPress Simple Image Gallery plugin has a cross-site scripting vulnerability that originates in ~/simple-image- gallery.php’s msg parameter lacks a checksum filter for user-supplied data and output data. An attacker could exploit this vulnerability to execute JavaScript code on the client side.