3D3.Com ShopFactory 5.5 through 5.8 allows remote attackers to modify the prices in their shopping carts by modifying the price in a hidden form field.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10746
http://www.trust-factory.com/TF20021004.html
http://www.securityfocus.com/bid/6296
http://cert.uni-stuttgart.de/archive/bugtraq/2003/03/msg00081.html
http://archives.neohapsis.com/archives/bugtraq/2002-12/0018.html