Debian Linux
CVE-2022-32209
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
Possible XSS Vulnerability in Rails::Html::SanitizerThere is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer.This vulnerability has been assigned the CVE identifier CVE-2022-32209.Versions Affected: ALLNot affected: NONEFixed Versions: v1.4.3
ImpactA possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer may allow an attacker to inject content if the application developer has overridden the sanitizer's allowed tags to allow both select and style elements.Code is only impacted if allowed tags are being overridden. This may be done via application configuration:`ruby
In config/application.rbconfig.action_view.sanitized_allowed_tags = ["select", "style"]`see https://guides.rubyonrails.org/configuring.html#configuring-action-viewOr it may be done with a :tags option to the Action View helper sanitize:`<%= sanitize @comment.body, tags: ["select", "style"] %>`see https://api.rubyonrails.org/classes/ActionView/Helpers/SanitizeHelper.html#method-i-sanitizeOr it may be done with Rails::Html::SafeListSanitizer directly:`ruby
class-level optionRails::Html::SafeListSanitizer.allowed_tags = ["select", "style"]`or`ruby
instance-level optionRails::Html::SafeListSanitizer.new.sanitize(@article.body, tags: ["select", "style"])`All users overriding the allowed tags by any of the above mechanisms to include both "select" and "style" should either upgrade or use one of the workarounds immediately.
ReleasesThe FIXED releases are available at the normal locations.
WorkaroundsRemove either select or style from the overridden allowed tags.
CreditsThis vulnerability was responsibly reported by windshock.
AnalysisAI
Possible XSS Vulnerability in Rails::Html::SanitizerThere is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer.This vulnerability has been assigned the CVE. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users.
Possible XSS Vulnerability in Rails::Html::SanitizerThere is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer.This vulnerability has been assigned the CVE identifier CVE-2022-32209.Versions Affected: ALLNot affected: NONEFixed Versions: v1.4.3
ImpactA possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer may allow an attacker to inject content if the application developer has overridden the sanitizer's allowed tags to allow both select and style elements.Code is only impacted if allowed tags are being overridden. This may be done via application configuration:`ruby
In config/application.rbconfig.action_view.sanitized_allowed_tags = ["select", "style"]`see https://guides.rubyonrails.org/configuring.html#configuring-action-viewOr it may be done with a :tags option to the Action View helper sanitize:`<%= sanitize @comment.body, tags: ["select", "style"] %>`see https://api.rubyonrails.org/classes/ActionView/Helpers/SanitizeHelper.html#method-i-sanitizeOr it may be done with Rails::Html::SafeListSanitizer directly:`ruby
class-level optionRails::Html::SafeListSanitizer.allowed_tags = ["select", "style"]`or`ruby
instance-level optionRails::Html::SafeListSanitizer.new.sanitize(@article.body, tags: ["select", "style"])`All users overriding the allowed tags by any of the above mechanisms to include both "select" and "style" should either upgrade or use one of the workarounds immediately.
ReleasesThe FIXED releases are available at the normal locations.
WorkaroundsRemove either select or style from the overridden allowed tags.
CreditsThis vulnerability was responsibly reported by windshock. Affected products include: Rubyonrails Rails Html Sanitizers, Fedoraproject Fedora, Debian Debian Linux.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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