Multiple cross-site scripting (XSS) vulnerabilities in Sharky e-shop 3.05 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) maingroup and (2) secondgroup parameters to (a) search_prod_list.asp, and the (3) maingroup parameter to (b) meny2.asp.  NOTE: it is possible that this is resultant from SQL injection or a forced SQL error.