CVE-2011-2931

medium
Published 2017-10-24 · Modified 2024-11-29
CVSS v3
CVSS v2
4.3
VIR risk
4.3

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2011-2931

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://github.com/rails/rails/commit/586a944ddd4d03e66dea1093306147594748037a

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=731436

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2011/08/22/5

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2011/08/22/13

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2011/08/20/1

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2011/08/19/11

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2011/08/17/1

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://weblog.rubyonrails.org/2011/8/16/ann-rails-3-1-0-rc6

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://groups.google.com/group/rubyonrails-security/msg/fd41ab62966e0fd1?dmode=source&output=gplain

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.3.14
debian debianbullseyefixed2.3.14
debian debianforkyfixed2.3.14
debian debiansidfixed2.3.14
debian debiantrixiefixed2.3.14

Package impact

EcosystemPackageVulnerableFixed
ruby RubyGemsactionpack!< 2.0.0,!< 3.0.0||<~> 2.3.13~> 2.3.13
ruby RubyGemsactionpack>=2.0.0,<2.3.132.3.13
ruby RubyGemsactionpack>=3.0.0,<3.0.103.0.10

Application impact

VendorProductVersionsFixed
rubyonrailsrails2.0.0
rubyonrailsrails2.0.1
rubyonrailsrails2.0.2
rubyonrailsrails2.0.4
rubyonrailsrails2.1.0
rubyonrailsrails2.1.1
rubyonrailsrails2.1.2
rubyonrailsrails2.2.0
rubyonrailsrails2.2.1
rubyonrailsrails2.2.2
rubyonrailsrails2.3.2
rubyonrailsrails2.3.3
rubyonrailsrails2.3.4
rubyonrailsrails2.3.9
rubyonrailsrails2.3.10
rubyonrailsrails2.3.11
rubyonrailsrails2.3.12
rubyonrailsrails3.0.0
rubyonrailsrails3.0.1
rubyonrailsrails3.0.2
rubyonrailsrails3.0.3
rubyonrailsrails3.0.4
rubyonrailsrails3.0.5
rubyonrailsrails3.0.6
rubyonrailsrails3.0.7
rubyonrailsrails3.0.8
rubyonrailsrails3.0.9
rubyonrailsrails3.0.10
rubyonrailsrails3.1.0
rubyonrailsruby_on_rails3.0.4

References

CWEs

CWE-79

Verify integrity in audit chain (admin only). AS-IS.