Mercury SiteScope 8.2 (8.1.2.0) allows remote authenticated users to cause a denial of service (loss of connectivity to the classic interface) via attempted HTML injection into the "new monitor description" field.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29298
http://www.securityfocus.com/bid/20275
http://www.securityfocus.com/archive/1/447397/100/0/threaded