Microsoft ASP .NET Framework 2.0.50727.42 does not properly handle comment (/* */) enclosures, which allows remote attackers to bypass request filtering and conduct cross-site scripting (XSS) attacks, or cause a denial of service, as demonstrated via an xss:expression STYLE attribute in a closing XSS HTML tag.
http://www.securityfocus.com/bid/20753
http://www.securityfocus.com/archive/1/464796/100/0/threaded
http://www.procheckup.com/Vulner_PR0703.php
http://www.cpni.gov.uk/docs/re-20061020-00710.pdf