{"containers": {"cna": {"affected": [{"product": "Fluid", "vendor": "TYPO3", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.0.8"}, {"status": "affected", "version": ">= 2.1.0, < 2.1.7"}, {"status": "affected", "version": ">= 2.2.0, < 2.2.4"}, {"status": "affected", "version": ">= 2.3.0, < 2.3.7"}, {"status": "affected", "version": ">= 2.4.0, < 2.4.4"}, {"status": "affected", "version": ">= 2.5.0, < 2.5.11"}, {"status": "affected", "version": ">= 2.6.0, < 2.6.10"}]}], "descriptions": [{"lang": "en", "value": "TYPO3 Fluid before versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 and 2.6.10 is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, TagBuilder would not escape the keys. 2. ViewHelpers which used the CompileWithContentArgumentAndRenderStatic trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. 3. Subclasses of AbstractConditionViewHelper would receive the then and else arguments in unescaped format. Update to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 or 2.6.10 of this typo3fluid/fluid package that fix the problem described. More details are available in the linked advisory."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-11-17T20:45:20", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc"}, {"tags": ["x_refsource_MISC"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2020-009"}], "source": {"advisory": "GHSA-hpjm-3ww5-6cpf", "discovery": "UNKNOWN"}, "title": "Cross-Site Scripting in TYPO3 Fluid", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-26216", "STATE": "PUBLIC", "TITLE": "Cross-Site Scripting in TYPO3 Fluid"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Fluid", "version": {"version_data": [{"version_value": ">= 2.0.0, < 2.0.8"}, {"version_value": ">= 2.1.0, < 2.1.7"}, {"version_value": ">= 2.2.0, < 2.2.4"}, {"version_value": ">= 2.3.0, < 2.3.7"}, {"version_value": ">= 2.4.0, < 2.4.4"}, {"version_value": ">= 2.5.0, < 2.5.11"}, {"version_value": ">= 2.6.0, < 2.6.10"}]}}]}, "vendor_name": "TYPO3"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "TYPO3 Fluid before versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 and 2.6.10 is vulnerable to Cross-Site Scripting. Three XSS vulnerabilities have been detected in Fluid: 1. TagBasedViewHelper allowed XSS through maliciously crafted additionalAttributes arrays by creating keys with attribute-closing quotes followed by HTML. When rendering such attributes, TagBuilder would not escape the keys. 2. ViewHelpers which used the CompileWithContentArgumentAndRenderStatic trait, and which declared escapeOutput = false, would receive the content argument in unescaped format. 3. Subclasses of AbstractConditionViewHelper would receive the then and else arguments in unescaped format. Update to versions 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 or 2.6.10 of this typo3fluid/fluid package that fix the problem described. More details are available in the linked advisory."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf", "refsource": "CONFIRM", "url": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf"}, {"name": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc", "refsource": "MISC", "url": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc"}, {"name": "https://typo3.org/security/advisory/typo3-core-sa-2020-009", "refsource": "MISC", "url": "https://typo3.org/security/advisory/typo3-core-sa-2020-009"}]}, "source": {"advisory": "GHSA-hpjm-3ww5-6cpf", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:49:07.226Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/TYPO3/Fluid/security/advisories/GHSA-hpjm-3ww5-6cpf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/TYPO3/Fluid/commit/f20db4e74cf9803c6cffca2ed2f03e1b0b89d0dc"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2020-009"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-26216", "datePublished": "2020-11-17T20:45:20", "dateReserved": "2020-10-01T00:00:00", "dateUpdated": "2024-08-04T15:49:07.226Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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TagBasedViewHelper permit\u00eda un ataque de tipo XSS por medio de matrices de additionalAttributes creadas maliciosamente mediante la creaci\u00f3n de claves con comillas de cierre de atributos seguidas de HTML.&#xa0;Al representar tales atributos, TagBuilder no escapaba de las claves.&#xa0;2. ViewHelpers que usaba el rasgo CompileWithContentArgumentAndRenderStatic, y que declaraba escapeOutput = false, recibir\u00edan el argumento de contenido en formato sin escape.&#xa0;3. Las subclases de AbstractConditionViewHelper recibir\u00edan los argumentos then y else en formato sin escape.&#xa0;Actualice a las versiones 2.0.8, 2.1.7, 2.2.4, 2.3.7, 2.4.4, 2.5.11 o 2.6.10 de este paquete typo3fluid/fluid que corrige el problema descrito. 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