After getting more details from the original poster, Blue Coat Systems has issued an advisory for this issue: http://www.bluecoat.com/support/securityadvisories/icap_patience Tom Kelly tom.kelly@xxxxxxxxxxxx jplopezy@xxxxxxxxx wrote: > > There is a security issue in the blue coat. > > The problem lies in the "Web Filter", which lets you execute an XSS. > > This only affects the Internet Explorer browser. " > > > > as a result, could jump the antivirus scan or make spoofing. > > > > POC > > > > http://www.example.com/file.exe?<script>(1)</script> > > > > Juan Pablo Lopez Yacubian >