Cross-site scripting (XSS) vulnerability in Ruby on Rails 2.x before 2.2.3, and 2.3.x before 2.3.4, allows remote attackers to inject arbitrary web script or HTML by placing malformed Unicode strings into a form helper.
https://exchange.xforce.ibmcloud.com/vulnerabilities/53036
http://www.vupen.com/english/advisories/2009/2544
http://www.securityfocus.com/bid/36278
http://www.debian.org/security/2009/dsa-1887
http://weblog.rubyonrails.org/2009/9/4/xss-vulnerability-in-ruby-on-rails
http://support.apple.com/kb/HT4077
http://securitytracker.com/id?1022824
http://secunia.com/advisories/36717
http://secunia.com/advisories/36600
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://groups.google.com/group/rubyonrails-security/msg/7f57cd7794e1d1b4?dmode=source