CSRF Token Leakage via Leading Space Character in URL

CVE-2015-1840 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

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.

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