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    CVE-2022-23520

    rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, there is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer due to an incomplete fix of CVE-2022-32209. 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 issue is patched in version 1.4.4. All users overriding the allowed tags to include both "select" and "style" should either upgrade or use this workaround: Remove either "select" or "style" from the overridden allowed tags. NOTE: Code is _not_ impacted if allowed tags are overridden using either the :tags option to the Action View helper method sanitize or the :tags option to the instance method SafeListSanitizer#sanitize.

    Published:Dec 13, 2022
    Last Modified:Nov 3, 2025
    EPS:Dec 14, 2022
    EPSS Score:0.00268
    CVSS Score:6.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Satellite
    Vendor
    Rubyonrails
    Product
    Rails Html Sanitizers

    Exploits

    https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8https://hackerone.com/reports/1654310https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8https://hackerone.com/reports/1654310

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High