Insoshi before 20080920 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set the ForumPost user_id value via a modified URL, related to a "mass assignment" vulnerability.Referenceshttp://railspikes.com/2008/9/22/is-your-rails-application-safe-from-mass-assignmenthttp://blog.mhartl.com/2008/09/21/finding-and-fixing-mass-assignment-problems-in-rails-applications/
