CVE-2020-8189

{"containers": {"cna": {"affected": [{"product": "Desktop Client", "vendor": "n/a", "versions": [{"status": "affected", "version": "2.6.5"}]}], "descriptions": [{"lang": "en", "value": "A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "Cross-site Scripting (XSS) - Generic (CWE-79)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-14T01:06:15.000Z", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/685552"}, {"tags": ["x_refsource_MISC"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"}, {"name": "GLSA-202009-09", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202009-09"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2020-8189", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Desktop Client", "version": {"version_data": [{"version_value": "2.6.5"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cross-site Scripting (XSS) - Generic (CWE-79)"}]}]}, "references": {"reference_data": [{"name": "https://hackerone.com/reports/685552", "refsource": "MISC", "url": "https://hackerone.com/reports/685552"}, {"name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027", "refsource": "MISC", "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"}, {"name": "GLSA-202009-09", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202009-09"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:56:28.242Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/685552"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"}, {"name": "GLSA-202009-09", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202009-09"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2020-8189", "datePublished": "2020-08-21T20:34:54.000Z", "dateReserved": "2020-01-28T00:00:00.000Z", "dateUpdated": "2024-08-04T09:56:28.242Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Desktop Client", "vendor": "n/a", "versions": [{"status": "affected", "version": "2.6.5"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*", "matchCriteriaId": "032BCD9E-159A-4BB1-BCE6-0E405BA6F6C4", "versionEndExcluding": "2.6.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt."}, {"lang": "es", "value": "Un error de tipo cross-site scripting en el cliente de Nextcloud Desktop versi\u00f3n 2.6.4, permiti\u00f3 presentar cualquier html (incluyendo los enlaces locales) al responder con datos no v\u00e1lidos en el intento de inicio de sesi\u00f3n."}], "id": "CVE-2020-8189", "lastModified": "2026-06-17T03:26:01.130", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "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": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-08-21T21:15:11.887", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/685552"}, {"source": "support@hackerone.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202009-09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/685552"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-027"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202009-09"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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