Moderate severityNVD Advisory· Published Jun 30, 2011· Updated Jun 16, 2026
CVE-2011-2197
CVE-2011-2197
Description
The cross-site scripting (XSS) prevention feature in Ruby on Rails 2.x before 2.3.12, 3.0.x before 3.0.8, and 3.1.x before 3.1.0.rc2 does not properly handle mutation of safe buffers, which makes it easier for remote attackers to conduct XSS attacks via crafted strings to an application that uses a problematic string method, as demonstrated by the sub method.
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 | >= 2.0.0, < 2.3.12 | 2.3.12 |
actionpackRubyGems | >= 3.0.0, < 3.0.8 | 3.0.8 |
activesupportRubyGems | >= 2.0.0, < 2.3.12 | 2.3.12 |
activesupportRubyGems | >= 3.0.0, < 3.0.8 | 3.0.8 |
Affected products
49cpe:2.3:a:rubyonrails:rails:2.0.0:*:*:*:*:*:*:*+ 45 more
- 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:2.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:2.3.11:*:*:*:*:*:*:*
- 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:3.0.1:pre:*:*:*:*:*:*
- cpe:2.3:a:rubyonrails:rails:3.0.2:*:*:*:*:*:*:*
- 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: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:3.1.0:*:*:*:*:*:*:*
- 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:ruby_on_rails:3.0.4:*:*:*:*:*:*:*
- ghsa-coords2 versions
>= 2.0.0, < 2.3.12+ 1 more
- (no CPE)range: >= 2.0.0, < 2.3.12
- (no CPE)range: >= 2.0.0, < 2.3.12
Patches
Vulnerability mechanics
References
13- groups.google.com/group/rubyonrails-security/msg/663b600d4471e0d4nvdPatchWEB
- openwall.com/lists/oss-security/2011/06/09/2nvdPatchWEB
- openwall.com/lists/oss-security/2011/06/13/9nvdPatchWEB
- weblog.rubyonrails.org/2011/6/8/potential-xss-vulnerability-in-ruby-on-rails-applicationsnvdPatchWEB
- secunia.com/advisories/44789nvdVendor Advisory
- github.com/advisories/GHSA-v9v4-7jp6-8c73ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2011-2197ghsaADVISORY
- lists.fedoraproject.org/pipermail/package-announce/2011-July/062514.htmlnvdWEB
- lists.fedoraproject.org/pipermail/package-announce/2011-June/062090.htmlnvdWEB
- gist.github.com/NZKoz/b2ceb626fc2bcdfe497fghsaWEB
- github.com/rails/rails/commit/53a2c0baf2b128dd4808eca313256f6f4bb8c4cdghsaWEB
- github.com/rails/rails/commit/ed3796434af6069ced6a641293cf88eef3b284daghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2011-2197.ymlghsaWEB
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