Moderate severityNVD Advisory· Published Mar 19, 2013· Updated Jun 16, 2026
CVE-2013-1855
CVE-2013-1855
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
actionpackRubyGems | < 2.3.18 | 2.3.18 |
actionpackRubyGems | >= 3.0.0, < 3.1.12 | 3.1.12 |
actionpackRubyGems | >= 3.2.0, < 3.2.13 | 3.2.13 |
Affected products
164cpe:2.3:a:rubyonrails:rails:0.10.0:*:*:*:*:*:*:*+ 148 more
- cpe:2.3:a:rubyonrails:rails:0.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.14.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.14.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.14.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:0.9.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:1.9.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.13:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.14:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.15:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.16:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:rc:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.10:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.12:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.13:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.1:pre:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.2:pre:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.6:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.6:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.7:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.7:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.8:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.8:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.8:rc3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.8:rc4:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:rc3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:rc4:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.9:rc5:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc7:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.0:rc8:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.1:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.1:rc3:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.2:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.2.9:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:ruby_on_rails:*:*:*:*:*:*:*:*+ 12 more
- cpe:2.3:a:rubyonrails:ruby_on_rails:*:*:*:*:*:*:*:*range: <=2.3.17
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:0.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:ruby_on_rails:3.1.11:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
20- github.com/advisories/GHSA-q759-hwvc-m3jgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2013-1855ghsaADVISORY
- lists.opensuse.org/opensuse-updates/2013-04/msg00072.htmlnvdWEB
- lists.opensuse.org/opensuse-updates/2013-04/msg00073.htmlnvdWEB
- lists.opensuse.org/opensuse-updates/2014-01/msg00013.htmlnvdWEB
- rhn.redhat.com/errata/RHSA-2013-0698.htmlnvdWEB
- rhn.redhat.com/errata/RHSA-2014-1863.htmlnvdWEB
- support.apple.com/kb/HT5784nvdWEB
- weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-releasedghsaWEB
- access.redhat.com/errata/RHSA-2013:0698ghsaWEB
- access.redhat.com/errata/RHSA-2014:1863ghsaWEB
- access.redhat.com/security/cve/CVE-2013-1855ghsaWEB
- bugzilla.redhat.com/show_bug.cgighsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2013-1855.ymlghsaWEB
- groups.google.com/group/rubyonrails-security/msg/8ed835a97cdd1afdnvdWEB
- web.archive.org/web/20130609174600/http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.htmlghsaWEB
- web.archive.org/web/20131109010518/http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.htmlghsaWEB
- lists.apple.com/archives/security-announce/2013/Jun/msg00000.htmlnvd
- lists.apple.com/archives/security-announce/2013/Oct/msg00006.htmlnvd
- weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/nvd
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