ViArt Shop (aka Shopping Cart) 3.5 allows remote attackers to obtain sensitive information via an unauthenticated add and save action for a shopping cart in cart_save.php, which reveals the SQL table names in an error message, related to code that mishandles the lack of a user_id parameter.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-6760)