{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-23520", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "requesterUserId": "c184a3d9-dc98-4c48-a45b-d2d88cf0ac74", "dateReserved": "2022-01-19T21:23:53.780Z", "datePublished": "2022-12-14T17:07:31.954Z", "dateUpdated": "2025-11-03T21:46:02.126Z"}, "containers": {"cna": {"title": "rails-html-sanitizer contains an incomplete fix for an XSS vulnerability", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8"}, {"name": "https://hackerone.com/reports/1654310", "tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1654310"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"}], "affected": [{"vendor": "rails", "product": "rails-html-sanitizer", "versions": [{"version": "< 1.4.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-09-13T16:06:16.967Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-rrfc-7g8p-99q8", "discovery": "UNKNOWN"}}, "adp": [{"title": "CVE Program Container", "references": [{"name": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8"}, {"name": "https://hackerone.com/reports/1654310", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1654310"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00045.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T21:46:02.126Z"}}]}}

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Rails::Html::Sanitizer puede permitir que un atacante inyecte contenido si el desarrollador de la aplicaci\u00f3n ha anulado las etiquetas permitidas del sanitizador para permitir elementos de \"select\" y \"style\". El c\u00f3digo solo se ve afectado si se anulan las etiquetas permitidas. Este problema se solucion\u00f3 en la versi\u00f3n 1.4.4. Todos los usuarios que anulen las etiquetas permitidas para incluir \"select\" y \"style\" deben actualizar o utilizar el workaround: eliminar \"select\" o \"style\" de las etiquetas permitidas anuladas. NOTA: El c\u00f3digo _no_ se ve afectado si las etiquetas permitidas se anulan usando la opci\u00f3n :tags para el m\u00e9todo auxiliar sanitizador de Action View o la opci\u00f3n :tags para el m\u00e9todo de instancia SafeListSanitizer#sanitize."}], "id": "CVE-2022-23520", "lastModified": "2025-11-03T22:15:56.800", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-14T18:15:17.560", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1654310"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/rails/rails-html-sanitizer/security/advisories/GHSA-rrfc-7g8p-99q8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1654310"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00045.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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