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CVE-2011-2931

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Date: August 29, 2011

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.

Language: Ruby

Severity Score

Related Resources (20)

http://groups.google.com/group/rubyonrails-security/msg/fd41ab62966e0fd1?dmode=source&output=gplain
http://www.openwall.com/lists/oss-security/2011/08/22/13
http://www.openwall.com/lists/oss-security/2011/08/22/14
http://www.openwall.com/lists/oss-security/2011/08/22/5
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-2931.yml
http://www.openwall.com/lists/oss-security/2011/08/17/1
http://weblog.rubyonrails.org/2011/8/16/ann-rails-3-1-0-rc6
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html
http://www.openwall.com/lists/oss-security/2011/08/19/11
https://github.com/rails/rails/commit/586a944ddd4d03e66dea1093306147594748037a
http://www.debian.org/security/2011/dsa-2301
https://github.com/rails/rails
https://nvd.nist.gov/vuln/detail/CVE-2011-2931
https://bugzilla.redhat.com/show_bug.cgi?id=731436
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065109.html
http://secunia.com/advisories/45921
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065212.html
https://github.com/advisories/GHSA-v5jg-558j-q67c
http://www.openwall.com/lists/oss-security/2011/08/20/1
https://www.mend.io/vulnerability-database/CVE-2011-2931

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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