jquery_ujs.js in jquery-rails before 3.1.3 and 4.x before 4.0.4 and rails.js in jquery-ujs before 1.0.4, as used with Ruby on Rails 3.x and 4.x, allow remote attackers to bypass the Same Origin Policy, and trigger transmission of a CSRF token to a different-domain web server, via a leading space character in a URL within an attribute value.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1840
Reference (s):
- BID:75239
- URL: http://www.securityfocus.com/bid/75239
- https://github.com/rails/jquery-rails/blob/master/CHANGELOG.md
- https://github.com/rails/jquery-ujs/blob/master/CHANGELOG.md
- FEDORA:FEDORA-2015-10144

