Multiple cross-site scripting (XSS) vulnerabilities in the delegated spam management feature in the Spam Quarantine Management (SQM) component in MailMarshal SMTP 6.0.3.8 through 6.3.0.0 allow user-assisted remote authenticated users to inject arbitrary web script or HTML via (1) the list of blocked senders or (2) the list of safe senders.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45511
https://exchange.xforce.ibmcloud.com/vulnerabilities/45509
http://www.securityfocus.com/bid/31483
http://www.marshal.com/kb/article.aspx?id=12175