Class Input Validation Error CVE Remote Yes Reflected Yes Credit rsanchezr Vulnerable 2kb amazon affiliates store WP plugin 2kb amazon affiliates store WP plugin is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks. To exploit this issue following steps: The XSS reflected because the "page" and "kbAction" values aren't filter correcly. <input type="hidden" name="page" value="<?php echo $_GET['page'];?>"/> <input type="hidden" name="kbAction" value="<?php echo $_GET['kbAction'];?>"/> Demo url: http://localhost/wordpress/wp-admin/admin.php?page=kbAmz&kbAction=demo%22%3E%3Cscript%3Ealert%281234%29%3C%2Fscript%3E