{"containers": {"cna": {"affected": [{"product": "html-sanitizer", "vendor": "TYPO3", "versions": [{"status": "affected", "version": ">= 1.0.0, < 1.0.7"}, {"status": "affected", "version": ">= 2.0.0, < 2.0.16"}]}], "descriptions": [{"lang": "en", "value": "The typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. Due to a parsing issue in the upstream package `masterminds/html5`, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows for a bypass of the cross-site scripting mechanism of `typo3/html-sanitizer`. This issue has been addressed in versions 1.0.7 and 2.0.16 of the `typo3/html-sanitizer` package. Users are advised to upgrade. There are no known workarounds for this issue."}], "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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-13T16:55:10", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-47m6-46mj-p235"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/TYPO3/html-sanitizer/commit/60bfdc7f9b394d0236e16ee4cea8372a7defa493"}, {"tags": ["x_refsource_MISC"], "url": "https://packagist.org/packages/masterminds/html5"}, {"tags": ["x_refsource_MISC"], "url": "https://packagist.org/packages/typo3/html-sanitizer"}], "source": {"advisory": "GHSA-47m6-46mj-p235", "discovery": "UNKNOWN"}, "title": "Bypass of Cross-Site Scripting Protection in typo3/html-sanitizer", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-36020", "STATE": "PUBLIC", "TITLE": "Bypass of Cross-Site Scripting Protection in typo3/html-sanitizer"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "html-sanitizer", "version": {"version_data": [{"version_value": ">= 1.0.0, < 1.0.7"}, {"version_value": ">= 2.0.0, < 2.0.16"}]}}]}, "vendor_name": "TYPO3"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. Due to a parsing issue in the upstream package `masterminds/html5`, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows for a bypass of the cross-site scripting mechanism of `typo3/html-sanitizer`. This issue has been addressed in versions 1.0.7 and 2.0.16 of the `typo3/html-sanitizer` package. Users are advised to upgrade. There are no known workarounds for this issue."}]}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-47m6-46mj-p235", "refsource": "CONFIRM", "url": "https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-47m6-46mj-p235"}, {"name": "https://github.com/TYPO3/html-sanitizer/commit/60bfdc7f9b394d0236e16ee4cea8372a7defa493", "refsource": "MISC", "url": "https://github.com/TYPO3/html-sanitizer/commit/60bfdc7f9b394d0236e16ee4cea8372a7defa493"}, {"name": "https://packagist.org/packages/masterminds/html5", "refsource": "MISC", "url": "https://packagist.org/packages/masterminds/html5"}, {"name": "https://packagist.org/packages/typo3/html-sanitizer", "refsource": "MISC", "url": "https://packagist.org/packages/typo3/html-sanitizer"}]}, "source": {"advisory": "GHSA-47m6-46mj-p235", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-36020", "datePublished": "2022-09-13T16:55:10", "dateReserved": "2022-07-15T00:00:00", "dateUpdated": "2022-09-13T16:55:10", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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{}