GHSA-q759-hwvc-m3jg

ghsaUSosv

actionpack Cross-site Scripting vulnerability

view advisory published 2017-10-24Licence: CC-BY-4.0

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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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2013-1855USmedium4.3—
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, a…
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references

External citations — patches, advisories, analysis.

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