VULNERABILITY INTELLIGENCE
CVE-2013-1855
CVSS score4.3 NONE
EPSS probability2.63%
CISA KEVNot currently listed
Published2013-03-19
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:N
Description
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.
Weakness classification
- nvd@nist.gov: CWE-79