Multiple cross-site scripting (XSS) vulnerabilities in wp-content/plugins/cforms/lib_ajax.php in cforms WordPress plugin 11.5 allow remote attackers to inject arbitrary web script or HTML via the (1) rs and (2) rsargs[] parameters.
https://exchange.xforce.ibmcloud.com/vulnerabilities/62938
http://www.securityfocus.com/archive/1/514579/100/0/threaded
http://www.conviso.com.br/security-advisory-cform-wordpress-plugin-v-11-cve-2010-3977/