Cross-site scripting (XSS) vulnerability in the URL redirection script (inc/url_redirection.inc.php) in PCPIN Chat before 6.11 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42627
http://www.securityfocus.com/bid/29363
http://www.securityfocus.com/archive/1/492563/100/0/threaded