{"id":"UBUNTU-CVE-2024-53986","details":"rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. There is a possible XSS vulnerability with certain configurations of Rails::HTML::Sanitizer 1.6.0 when used with Rails \u003e= 7.1.0. A possible XSS vulnerability with certain configurations of Rails::HTML::Sanitizer may allow an attacker to inject content if HTML5 sanitization is enabled and the application developer has overridden the sanitizer's allowed tags where the \"math\" and \"style\" elements are both explicitly allowed. This vulnerability is fixed in 1.6.1.","modified":"2026-05-20T16:19:37.248290437Z","published":"2024-12-02T22:15:00Z","upstream":["CVE-2024-53986"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-53986"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-53986"},{"type":"REPORT","url":"https://github.com/rails/rails-html-sanitizer/commit/f02ffbb8465e73920b6de0da940f5530f855965e"},{"type":"REPORT","url":"https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-638j-pmjw-jq48"}],"affected":[{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.2-1","1.0.3-1","1.0.3-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.3-2","binary_name":"ruby-rails-html-sanitizer"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.3-2","1.0.4-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-rails-html-sanitizer","binary_version":"1.0.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4-1","1.3.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-rails-html-sanitizer","binary_version":"1.3.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-2","1.4.2-1","1.4.2-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.2-2","binary_name":"ruby-rails-html-sanitizer"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.4-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-rails-html-sanitizer","binary_version":"1.4.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.4-1","1.6.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-rails-html-sanitizer","binary_version":"1.6.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}},{"package":{"name":"ruby-rails-html-sanitizer","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/ruby-rails-html-sanitizer?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-rails-html-sanitizer","binary_version":"1.6.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-53986.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}