Cross-Site Scripting (XSS) Vulnerability in Ruby on Rails sanitize_css Method

Cross-Site Scripting (XSS) Vulnerability in Ruby on Rails sanitize_css Method

CVE-2013-1855 · MEDIUM Severity

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

The sanitize_css method 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 \n (newline) characters, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted Cascading Style Sheets (CSS) token sequences.

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