{"id":"CVE-2013-1857","details":"The sanitize helper in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18, 3.0.x and 3.1.x before 3.1.12, and 3.2.x before 3.2.13 does not properly handle encoded : (colon) characters in URLs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted scheme name, as demonstrated by including a &#x3a; sequence.","aliases":["GHSA-j838-vfpq-fmf2"],"modified":"2026-04-10T03:42:43.781480Z","published":"2013-03-19T22:55:01Z","references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0698.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-1863.html"},{"type":"ARTICLE","url":"http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html"},{"type":"WEB","url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00072.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2013-04/msg00073.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2014-01/msg00013.html"},{"type":"WEB","url":"http://support.apple.com/kb/HT5784"},{"type":"WEB","url":"https://groups.google.com/group/rubyonrails-security/msg/78b9817a5943f6d6?dmode=source&output=gplain"}],"schema_version":"1.7.5"}