Cross-site scripting (XSS) vulnerability in hilfe.php in b1gMail 6.3.1 allows remote attackers to inject arbitrary web script or HTML via the chapter parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36668
http://www.vupen.com/english/advisories/2007/3193
http://www.securityfocus.com/archive/1/479761/100/0/threaded