CVE-2023-48302

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-48302", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-11-14T17:41:15.571Z", "datePublished": "2023-11-21T21:53:00.327Z", "dateUpdated": "2024-08-02T21:23:39.478Z"}, "containers": {"cna": {"title": "Nextcloud Server vulnerable to Self XSS when pasting HTML into Text app with Ctrl+Shift+V", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"}, {"name": "https://github.com/nextcloud/text/pull/4877", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/text/pull/4877"}, {"name": "https://hackerone.com/reports/2211561", "tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/2211561"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": ">= 25.0.0, < 25.0.13", "status": "affected"}, {"version": ">= 26.0.0, < 26.0.8", "status": "affected"}, {"version": ">= 27.0.0, < 27.1.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-11-21T21:53:00.327Z"}, "descriptions": [{"lang": "en", "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, when a user is tricked into copy pasting HTML code without markup (Ctrl+Shift+V) the markup will actually render. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app text."}], "source": {"advisory": "GHSA-p7g9-x25m-4h87", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:23:39.478Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"}, {"name": "https://github.com/nextcloud/text/pull/4877", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nextcloud/text/pull/4877"}, {"name": "https://hackerone.com/reports/2211561", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/2211561"}]}]}}

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{"affected": [{"affectedData": [{"product": "security-advisories", "vendor": "nextcloud", "versions": [{"status": "affected", "version": ">= 25.0.0, < 25.0.13"}, {"status": "affected", "version": ">= 26.0.0, < 26.0.8"}, {"status": "affected", "version": ">= 27.0.0, < 27.1.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "29861543-C0E0-4AE0-AB80-D355F7C87BC0", "versionEndExcluding": "25.0.13", "versionStartIncluding": "25.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "022E939C-D0FF-4B15-B196-2E31648A6D7F", "versionEndExcluding": "25.0.13", "versionStartIncluding": "25.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "11421EAE-68EA-4372-8AC0-F5A1E40A9351", "versionEndExcluding": "26.0.8", "versionStartIncluding": "26.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "73E25AF9-5CCD-45F9-AAB0-AFEF607B0F32", "versionEndExcluding": "26.0.8", "versionStartIncluding": "26.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "matchCriteriaId": "DBD45C73-377F-4B88-BE87-1BBD9236CAEC", "versionEndExcluding": "27.1.3", "versionStartIncluding": "27.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "0584A036-2006-4032-85CA-673B4547F7EA", "versionEndExcluding": "27.1.3", "versionStartIncluding": "27.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, when a user is tricked into copy pasting HTML code without markup (Ctrl+Shift+V) the markup will actually render. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app text."}, {"lang": "es", "value": "Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de c\u00f3digo abierto. A partir de la versi\u00f3n 25.0.0 y anteriores a las versiones 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Server y Nextcloud Enterprise Server, cuando se enga\u00f1a a un usuario para que copie y pegue c\u00f3digo HTML sin marcado (Ctrl+Shift+V), el marcado realmente se representar\u00e1. Las versiones 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Server y Nextcloud Enterprise Server contienen una soluci\u00f3n para este problema. Como workaround, desactive el texto de la aplicaci\u00f3n."}], "id": "CVE-2023-48302", "lastModified": "2026-06-17T06:33:57.787", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"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": "2023-11-21T22:15:07.697", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/nextcloud/text/pull/4877"}, {"source": "security-advisories@github.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2211561"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/nextcloud/text/pull/4877"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2211561"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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