CVE-2021-37633

{"containers": {"cna": {"affected": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 2.7.8"}]}], "descriptions": [{"lang": "en", "value": "Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/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": "2021-08-09T19:35:09.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"}], "source": {"advisory": "GHSA-v3v8-3m5w-pjp9", "discovery": "UNKNOWN"}, "title": "XSS via d-popover and d-html-popover attribute", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-37633", "STATE": "PUBLIC", "TITLE": "XSS via d-popover and d-html-popover attribute"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "discourse", "version": {"version_data": [{"version_value": "< 2.7.8"}]}}]}, "vendor_name": "discourse"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/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/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9", "refsource": "CONFIRM", "url": "https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"}, {"name": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47", "refsource": "MISC", "url": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"}]}, "source": {"advisory": "GHSA-v3v8-3m5w-pjp9", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:23:01.396Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-37633", "datePublished": "2021-08-09T19:35:09.000Z", "dateReserved": "2021-07-29T00:00:00.000Z", "dateUpdated": "2024-08-04T01:23:01.396Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "discourse", "vendor": "discourse", "versions": [{"status": "affected", "version": "< 2.7.8"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*", "matchCriteriaId": "2A85C6E2-A78D-47B2-AE03-A12AE6A2E8BD", "versionEndExcluding": "2.7.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "B9AE12FE-0396-4843-8D30-D8C44FAE01DA", "vulnerable": true}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "F101AEAB-4FB7-4BE3-931B-595702D616C7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Discourse is an open source discussion platform. In versions prior to 2.7.8 rendering of d-popover tooltips can be susceptible to XSS attacks. This vulnerability only affects sites which have modified or disabled Discourse's default Content Security Policy. This issue is patched in the latest `stable` 2.7.8 version of Discourse. As a workaround users may ensure that the Content Security Policy is enabled, and has not been modified in a way which would make it more vulnerable to XSS attacks."}, {"lang": "es", "value": "Discourse es una plataforma de discusi\u00f3n de c\u00f3digo abierto. En versiones anteriores a 2.7.8, la representaci\u00f3n de los tooltips de d-popover puede ser susceptible de ataques de tipo XSS. Esta vulnerabilidad s\u00f3lo afecta a los sitios que han modificado o desactivado la pol\u00edtica de seguridad de contenidos predeterminada de Discourse. Este problema est\u00e1 parcheado en la \u00faltima versi\u00f3n \"stable\" 2.7.8 de Discourse. Como soluci\u00f3n, los usuarios pueden asegurarse de que la pol\u00edtica de seguridad de contenidos est\u00e1 activada y no ha sido modificada de forma que sea m\u00e1s vulnerable a ataques de tipo XSS"}], "id": "CVE-2021-37633", "lastModified": "2026-06-17T04:00:52.287", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "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": "2021-08-09T20:15:07.597", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/discourse/discourse/commit/38199424bc840d2ef002cd1e9bffdbb99191eb47"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/discourse/discourse/security/advisories/GHSA-v3v8-3m5w-pjp9"}], "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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