Cross-site scripting (XSS) vulnerability in json/encoding.rb in Active Support in Ruby on Rails 3.x and 4.1.x before 4.1.11 and 4.2.x before 4.2.2 allows remote attackers to inject arbitrary web script or HTML via a crafted Hash that is mishandled during JSON encoding.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "ruby-actionpack": "2:4.2.5-1", "ruby-activesupport": "2:4.2.5-1", "ruby-railties": "2:4.2.5-1", "rails": "2:4.2.5-1", "ruby-activerecord": "2:4.2.5-1", "ruby-activemodel": "2:4.2.5-1", "ruby-rails": "2:4.2.5-1", "ruby-activejob": "2:4.2.5-1", "ruby-actionview": "2:4.2.5-1", "ruby-actionmailer": "2:4.2.5-1" } ] }