Cross-site scripting (XSS) vulnerability in the number_to_currency helper in actionpack/lib/action_view/helpers/number_helper.rb in Ruby on Rails before 3.2.16 and 4.x before 4.0.2 allows remote attackers to inject arbitrary web script or HTML via the unit parameter.
https://puppet.com/security/cve/cve-2013-6415
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/9WiRn2nhfq0/2K2KRB4LwCMJ
http://www.securityfocus.com/bid/64077
http://www.debian.org/security/2014/dsa-2888
http://weblog.rubyonrails.org/2013/12/3/Rails_3_2_16_and_4_0_2_have_been_released/
http://secunia.com/advisories/56093
http://rhn.redhat.com/errata/RHSA-2014-1863.html
http://rhn.redhat.com/errata/RHSA-2014-0008.html
http://rhn.redhat.com/errata/RHSA-2013-1794.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00003.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00082.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00081.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00080.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00079.html