WordPress GamePress Plugin Cross-Site Scripting Vulnerability (CNVD-2021-103639)

WordPress is the Wordpress Foundation’s set of blogging platforms developed using the PHP language. The platform supports setting up personal blogging sites on PHP and MySQL servers. WordPress GamePress plugin in version 1.1.0 and earlier has a cross-site scripting vulnerability, which stems from the lack of checksum filtering of the op_edit POST parameter on user-supplied data and output data. An attacker could use this vulnerability to execute JavaScript code on the client side.