CVE-2008-7310
Spree 0.2.0 does not properly restrict the use of a hash to provide values for a model’s attributes, which allows remote attackers to set the Order state value and bypass the intended payment step via a modified URL, related to a "mass assignment" vulnerability.
Date published : 2012-04-04
http://spreecommerce.com/blog/2008/09/16/security-vulnerability-mass-assignment-of-order-params/
http://railspikes.com/2008/9/22/is-your-rails-application-safe-from-mass-assignment