Multiple cross-site scripting (XSS) vulnerabilities in the mail_to helper in Ruby on Rails before 2.3.11, and 3.x before 3.0.4, when javascript encoding is used, allow remote attackers to inject arbitrary web script or HTML via a crafted (1) name or (2) email value.
http://www.vupen.com/english/advisories/2011/0877
http://www.vupen.com/english/advisories/2011/0587
http://www.securitytracker.com/id?1025064
http://www.securityfocus.com/bid/46291
http://www.debian.org/security/2011/dsa-2247
http://secunia.com/advisories/43666
http://secunia.com/advisories/43274
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055088.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055074.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057650.html
http://groups.google.com/group/rubyonrails-security/msg/365b8a23b76a6b4a?dmode=source&output=gplain