Directory traversal vulnerability in Bytes Interactive Web Shopper shopping cart program (shopper.cgi) 2.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) attack on the newpage parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5351
http://www.securityfocus.com/bid/1776
http://archives.neohapsis.com/archives/bugtraq/2000-10/0120.html