Ruby on Rails Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2011-4319
Cross-site scripting (XSS) vulnerability in the i18n translations helper method in Ruby on Rails 3.0.x before 3.0.11 and 3.1.x before 3.1.2 and the rails_xss plugin in Ruby on Rails 2.3.x allows remote attackers to inject arbitrary web script or HTML via vectors related to a translations string whose name ends with an quothtmlquot substring.