Multiple cross-site scripting (XSS) vulnerabilities in SunShop 3.5 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) prevaction, (2) previd, (3) prevstart, (4) itemid, (5) id, and (6) action parameters in index.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26180
http://www.vupen.com/english/advisories/2006/1582
http://www.securityfocus.com/bid/17770