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Vulnerability details: VCID-kcj2-v7av-47cv
Vulnerability ID VCID-kcj2-v7av-47cv
Aliases CVE-2013-4491
GHSA-699m-mcjm-9cw8
OSV-100528
Summary Reflective XSS Vulnerability There is a vulnerability in the internationalisation component of Ruby on Rails. When the i18n gem is unable to provide a translation for a given string, it creates a fallback HTML string. Under certain common configurations this string can contain user input which would allow an attacker to execute a reflective XSS attack.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
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
System Score Found at
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-1794.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2014-0008.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2014-1863.html
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
epss 0.00713 https://api.first.org/data/v1/epss?cve=CVE-2013-4491
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-699m-mcjm-9cw8
generic_textual MODERATE https://github.com/advisories/GHSA-699m-mcjm-9cw8
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2013-4491.yml
generic_textual MODERATE https://groups.google.com/forum/#!topic/ruby-security-ann/pLrh6DUw998
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2013-4491
generic_textual MODERATE http://weblog.rubyonrails.org/2013/12/3/Rails_3_2_16_and_4_0_2_have_been_released
generic_textual MODERATE http://www.debian.org/security/2014/dsa-2888
Reference id Reference type URL
http://rhn.redhat.com/errata/RHSA-2013-1794.html
http://rhn.redhat.com/errata/RHSA-2014-0008.html
http://rhn.redhat.com/errata/RHSA-2014-1863.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4491.json
https://api.first.org/data/v1/epss?cve=CVE-2013-4491
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4491
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6414
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6415
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6417
http://seclists.org/oss-sec/2013/q4/401
https://github.com/advisories/GHSA-699m-mcjm-9cw8
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2013-4491.yml
https://groups.google.com/forum/#!topic/ruby-security-ann/pLrh6DUw998
https://nvd.nist.gov/vuln/detail/CVE-2013-4491
http://weblog.rubyonrails.org/2013/12/3/Rails_3_2_16_and_4_0_2_have_been_released
http://weblog.rubyonrails.org/2013/12/3/Rails_3_2_16_and_4_0_2_have_been_released/
http://www.debian.org/security/2014/dsa-2888
1036922 https://bugzilla.redhat.com/show_bug.cgi?id=1036922
RHSA-2013:1794 https://access.redhat.com/errata/RHSA-2013:1794
RHSA-2014:0008 https://access.redhat.com/errata/RHSA-2014:0008
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.72258
EPSS Score 0.00713
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:46:50.842164+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/actionpack/CVE-2013-4491.yml 38.0.0