CVE-2023-43658

{"id": "CVE-2023-43658", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}]}, "published": "2023-10-16T22:15:12.143", "references": [{"url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "dicourse-calendar is a plugin for the Discourse messaging platform which adds the ability to create a dynamic calendar in the first post of a topic. Improper escaping of event titles could lead to Cross-site Scripting (XSS) within the 'email preview' UI when a site has CSP disabled. Having CSP disabled is a non-default configuration, so the vast majority of sites are unaffected. This problem is resolved in the latest version of the discourse-calendar plugin. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on the forum."}, {"lang": "es", "value": "dicourse-calendar es un complemento para la plataforma de mensajer\u00eda Discourse que agrega la capacidad de crear un calendario din\u00e1mico en la primera publicaci\u00f3n de un tema. El escape inadecuado de los t\u00edtulos de los eventos podr\u00eda provocar Cross-Site Scripting (XSS) dentro de la interfaz de usuario de \"email preview\" cuando un sitio tiene CSP deshabilitado. Tener CSP deshabilitado es una configuraci\u00f3n no predeterminada, por lo que la gran mayor\u00eda de los sitios no se ven afectados. Este problema se resuelve en la \u00faltima versi\u00f3n del complemento de calendario de discourse. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben asegurarse de que CSP est\u00e9 habilitado en el foro."}], "lastModified": "2023-10-20T17:47:32.207", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse_calendar:*:*:*:*:*:discourse:*:*", "vulnerable": true, "matchCriteriaId": "F346D3A9-CFE0-4941-BCFB-52700D54CABD", "versionEndIncluding": "2023-10-16"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}