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osvGoogleOSV:GHSA-Q759-HWVC-M3JG
HistoryOct 24, 2017 - 6:33 p.m.

actionpack Cross-site Scripting vulnerability

2017-10-2418:33:37
Google
osv.dev
27

0.004 Low

EPSS

Percentile

73.9%

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.

References