More vulnerabilities: https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/4_YvCpLzL58 https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/KtmwSbEpzrU https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/AFBKNY7VSH8