CVE-2021-46872

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nim-lang:nim:*:*:*:*:*:*:*:*", "matchCriteriaId": "1693ADAF-84A1-4F3D-8C13-C6495A1D91D5", "versionEndExcluding": "1.6.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:nim-lang:nimforum:*:*:*:*:*:nim:*:*", "matchCriteriaId": "FE0421BD-56F6-4822-B2F4-B7B31071BC57", "versionEndExcluding": "2.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Nim before 1.6.2. The RST module of the Nim language stdlib, as used in NimForum and other products, permits the javascript: URI scheme and thus can lead to XSS in some applications. (Nim versions 1.6.2 and later are fixed; there may be backports of the fix to some earlier versions. NimForum 2.2.0 is fixed.)"}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Nim antes de la versi\u00f3n 1.6.2. El m\u00f3dulo RST del lenguaje Nim stdlib, tal como se usa en NimForum y otros productos, permite el esquema javascript: URI y, por lo tanto, puede conducir a XSS en algunas aplicaciones. (Las versiones 1.6.2 y posteriores de Nim est\u00e1n corregidas; puede haber versiones anteriores de la soluci\u00f3n para algunas versiones anteriores. NimForum 2.2.0 est\u00e1 corregida)."}], "id": "CVE-2021-46872", "lastModified": "2026-06-17T04:15:41.963", "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": "nvd@nist.gov", "type": "Primary"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-46872", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-07T19:12:45.568123Z", "version": "2.0.3"}}]}, "published": "2023-01-13T06:15:10.940", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://forum.nim-lang.org/t/8852"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/commit/46275126b89218e64844eee169e8ced05dd0e2d7"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/compare/v1.6.0...v1.6.2"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/pull/19134"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/nim-lang/nimforum"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://forum.nim-lang.org/t/8852"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/commit/46275126b89218e64844eee169e8ced05dd0e2d7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/compare/v1.6.0...v1.6.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/nim-lang/Nim/pull/19134"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/nim-lang/nimforum"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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