CVE-2011-2931
MEDIUM · CVSS 4.3EPSS 2.5%EU EUVD
Cross-site scripting (XSS) vulnerability in the strip_tags helper in actionpack/lib/action_controller/vendor/html-scanner/html/node.rb in Ruby on Rails before 2.3.13, 3.0.x before 3.0.10, and 3.1.x before 3.1.0.rc5 allows remote attackers to inject arbitrary web script or HTML via a tag with an invalid name.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 2.5% (85th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2017-0310)
- Published
- August 29, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2017-0310 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
- rubyonrails / rails
and 9 more…
References
- http://groups.google.com/group/rubyonrails-security/msg/fd41ab62966e0fd1?dmode=source&output=gplain(Patch)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065109.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065212.html
- http://secunia.com/advisories/45921
- http://weblog.rubyonrails.org/2011/8/16/ann-rails-3-1-0-rc6(Patch)
- http://www.debian.org/security/2011/dsa-2301
- http://www.openwall.com/lists/oss-security/2011/08/17/1(Patch)
- http://www.openwall.com/lists/oss-security/2011/08/19/11(Patch)
- http://www.openwall.com/lists/oss-security/2011/08/20/1(Patch)
- http://www.openwall.com/lists/oss-security/2011/08/22/13(Patch)
- http://www.openwall.com/lists/oss-security/2011/08/22/14
- http://www.openwall.com/lists/oss-security/2011/08/22/5(Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=731436(Patch)
- https://github.com/rails/rails/commit/586a944ddd4d03e66dea1093306147594748037a(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain