hi i have found some very much useful related with the Cross site Scripting.
cross site scripting is very common method to hack a site, most of the hacker get hack the site with the some basic scripting techniques.
now Microsoft get Introduce the Toolkit to Prevent the Cross-site Scripting not exactly preventing but you can say some basic level of Prevention. this toolkit is supposed to be offer some extra good efforts against the type if attack.
Cross Site Scripting may be done using -
1. via QueryString
2. via Text box entry
and so many
download Microsoft Anti-Cross Site Scripting Library toolkit here