source: https://www.securityfocus.com/bid/15694/info
ASPS Shopping Cart is prone to multiple cross-site scripting vulnerabilities. These issues are due to a failure in the application to properly sanitize user-supplied input.
An attacker may leverage these issues to have arbitrary script code executed in the browser of an unsuspecting user in the context of the affected site.
http://www.example.com/products/bsearch.asp?b_search=%3Cscript%3Ealert%28%27r0t%27%29%3C%2Fscript%3E&x=12&y=7