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Vulnerability details: VCID-mvfq-sajq-bfb9
Vulnerability ID VCID-mvfq-sajq-bfb9
Aliases CVE-2009-4214
GHSA-9p3v-wf2w-v29c
Summary Moderate severity vulnerability that affects rails Cross-site scripting (XSS) vulnerability in the strip_tags function in Ruby on Rails before 2.2.s, and 2.3.x before 2.3.5, allows remote attackers to inject arbitrary web script or HTML via vectors involving non-printing ASCII characters, related to HTML::Tokenizer and actionpack/lib/action_controller/vendor/html-scanner/html/node.rb.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://github.com/rails/rails
generic_textual MODERATE http://github.com/rails/rails/commit/bfe032858077bb2946abe25e95e485ba6da86bd5
generic_textual MODERATE http://groups.google.com/group/rubyonrails-security/browse_thread/thread/4d4f71f2aef4c0ab?pli=1
generic_textual MODERATE http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
epss 0.01632 https://api.first.org/data/v1/epss?cve=CVE-2009-4214
generic_textual MODERATE http://secunia.com/advisories/37446
generic_textual MODERATE http://secunia.com/advisories/38915
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-9p3v-wf2w-v29c
generic_textual MODERATE https://github.com/advisories/GHSA-9p3v-wf2w-v29c
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2009-4214.yml
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2009-4214
generic_textual MODERATE http://support.apple.com/kb/HT4077
generic_textual MODERATE http://weblog.rubyonrails.org/2009/11/30/ruby-on-rails-2-3-5-released
generic_textual MODERATE http://www.debian.org/security/2011/dsa-2260
generic_textual MODERATE http://www.debian.org/security/2011/dsa-2301
generic_textual MODERATE http://www.openwall.com/lists/oss-security/2009/11/27/2
generic_textual MODERATE http://www.openwall.com/lists/oss-security/2009/12/08/3
generic_textual MODERATE http://www.securityfocus.com/bid/37142
generic_textual MODERATE http://www.securitytracker.com/id?1023245
generic_textual MODERATE http://www.vupen.com/english/advisories/2009/3352
Reference id Reference type URL
http://github.com/rails/rails
http://github.com/rails/rails/commit/bfe032858077bb2946abe25e95e485ba6da86bd5
http://groups.google.com/group/rubyonrails-security/browse_thread/thread/4d4f71f2aef4c0ab?pli=1
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
https://api.first.org/data/v1/epss?cve=CVE-2009-4214
http://secunia.com/advisories/37446
http://secunia.com/advisories/38915
http://support.apple.com/kb/HT4077
http://weblog.rubyonrails.org/2009/11/30/ruby-on-rails-2-3-5-released
http://www.debian.org/security/2011/dsa-2260
http://www.debian.org/security/2011/dsa-2301
http://www.openwall.com/lists/oss-security/2009/11/27/2
http://www.openwall.com/lists/oss-security/2009/12/08/3
http://www.securityfocus.com/bid/37142
http://www.securitytracker.com/id?1023245
http://www.vupen.com/english/advisories/2009/3352
558685 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=558685
CVE-2009-4214 https://nvd.nist.gov/vuln/detail/CVE-2009-4214
CVE-2009-4214.YML https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2009-4214.yml
GHSA-9p3v-wf2w-v29c https://github.com/advisories/GHSA-9p3v-wf2w-v29c
GLSA-200912-02 https://security.gentoo.org/glsa/200912-02
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.82215
EPSS Score 0.01632
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:53:09.414874+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/rails/CVE-2009-4214.yml 38.6.0