Cross-site scripting (XSS) vulnerability in the Integration page in the WebMail component in Kerio MailServer 6.6.0, 6.6.1, 6.6.2, and 6.7.0 allows remote attackers to inject arbitrary web script or HTML via an e-mail message.
http://www.securitytracker.com/id?1022348
http://www.securityfocus.com/bid/35264
http://www.kerio.com/support/security-advisories#0906