Cross-site scripting (XSS) vulnerability in lib/rails/html/scrubbers.rb in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and 5.x allows remote attackers to inject arbitrary web script or HTML via a crafted CDATA node.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-7580
• rails/rails-html-sanitizer@63903b0
• https://groups.google.com/forum/message/raw?msg=rubyonrails-security/uh--W4TDwmI/m_CVZtdbFQAJ
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00014.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
• http://www.openwall.com/lists/oss-security/2016/01/25/15
• https://web.archive.org/web/20160128075017/http://www.securitytracker.com/id/1034816