# 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 it may be done with a `:tags` option to the Action View helper `sanitize`:“`<%= sanitize @comment.body, tags: ["select", "style"] %>“`see it may be done with Rails::Html::SafeListSanitizer directly:“`ruby# class-level optionRails::Html::SafeListSanitizer.allowed_tags = ["select", "style"]“`or“`ruby# instance-level, 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](

Source: CVE-2022-32209

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