Cross-site scripting (XSS) vulnerability in edit-post.php in the Flexible Custom Post Type plugin before 0.1.7 for WordPress allows remote attackers to inject arbitrary web script or HTML via the id parameter.
plugins.trac.wordpress.org/changeset?reponame=&new=466252%40flexible-custom-post-type&old=465583%40flexible-custom-post-type
wordpress.org/extend/plugins/flexible-custom-post-type/changelog/
www.securityfocus.com/archive/1/520542/100/0/threaded
www.securityfocus.com/bid/50719
exchange.xforce.ibmcloud.com/vulnerabilities/71415