The CleanseMessage function in shop$db.asp for VP-ASP Shopping Cart 4.0 through 5.0 does not sufficiently cleanse inputs, which allows remote attackers to conduct cross-site scripting (XSS) attacks that do not use <script> tags, as demonstrated via javascript in IMG tags to (1) the cat parameter in shopdisplayproducts.asp or (2) the msg parameter in shoperror.asp, and possibly other vectors.
archives.neohapsis.com/archives/fulldisclosure/2004-06/0363.html
secunia.com/advisories/11846
www.osvdb.org/6949
www.providesecurity.com/research/advisories/06142004-01.asp
www.securityfocus.com/bid/10530
www.securityfocus.com/bid/10534
www.vpasp.com/virtprog/info/faq_securityfixes.htm
exchange.xforce.ibmcloud.com/vulnerabilities/16411