CVE-2020-21494

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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:xiuno:xiunobbs:4.0.4:*:*:*:*:*:*:*", "matchCriteriaId": "EA2DCB39-3365-46B2-8A31-CE8CC69E911F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross-site scripting (XSS) vulnerability in the component install\\install.sql of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via changing the doctype value to 0."}, {"lang": "es", "value": "Una vulnerabilidad de tipo cross-site scripting (XSS) en el componente install\\install.sql de Xiuno BBS versi\u00f3n 4.0.4, permite a atacantes ejecutar scripts web o HTML arbitrarios por medio del cambio del valor doctype a 0"}], "id": "CVE-2020-21494", "lastModified": "2026-06-17T03:03:43.597", "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": 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": "2021-10-04T21:15:12.387", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://gitee.com/xiuno/xiunobbs/issues/I16BHH"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/wanghaiwei/xiuno-docker/issues/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://gitee.com/xiuno/xiunobbs/issues/I16BHH"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/wanghaiwei/xiuno-docker/issues/4"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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