CVE-2024-21641

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{"affected": [{"affectedData": [{"product": "framework", "vendor": "flarum", "versions": [{"status": "affected", "version": "< 1.8.5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:flarum:flarum:*:*:*:*:*:*:*:*", "matchCriteriaId": "D5C4E508-EB5A-43B9-B11C-81977B5BA70D", "versionEndExcluding": "1.8.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Flarum is open source discussion platform software. Prior to version 1.8.5, the Flarum `/logout` route includes a redirect parameter that allows any third party to redirect users from a (trusted) domain of the Flarum installation to redirect to any link. For logged-in users, the logout must be confirmed. Guests are immediately redirected. This could be used by spammers to redirect to a web address using a trusted domain of a running Flarum installation. The vulnerability has been fixed and published as flarum/core v1.8.5. As a workaround, some extensions modifying the logout route can remedy this issue if their implementation is safe."}, {"lang": "es", "value": "Flarum es un software de plataforma de discusi\u00f3n de c\u00f3digo abierto. Antes de la versi\u00f3n 1.8.5, la ruta `/logout` de Flarum incluye un par\u00e1metro de redirecci\u00f3n que permite a cualquier tercero redirigir a los usuarios desde un dominio (confiable) de la instalaci\u00f3n de Flarum para redirigir a cualquier enlace. Para los usuarios que han iniciado sesi\u00f3n, se debe confirmar el cierre de sesi\u00f3n. Los invitados son redirigidos inmediatamente. Los spammers podr\u00edan utilizar esto para redirigir a una direcci\u00f3n web utilizando un dominio confiable de una instalaci\u00f3n de Flarum en ejecuci\u00f3n. La vulnerabilidad ha sido reparada y publicada como flarum/core v1.8.5. Como workaround, algunas extensiones que modifican la ruta de cierre de sesi\u00f3n pueden solucionar este problema si su implementaci\u00f3n es segura."}], "id": "CVE-2024-21641", "lastModified": "2026-06-17T07:09:54.430", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-21641", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-08T15:56:54.587072Z", "version": "2.0.3"}}]}, "published": "2024-01-05T21:15:43.337", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/flarum/flarum-core/commit/ee8b3b4ad1413a2b0971fdd9e40f812d2a3a9d3a"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/flarum/framework/commit/7d70328471cf3091d92d95c382d277aec7996176"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/flarum/framework/security/advisories/GHSA-733r-8xcp-w9mr"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/flarum/flarum-core/commit/ee8b3b4ad1413a2b0971fdd9e40f812d2a3a9d3a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/flarum/framework/commit/7d70328471cf3091d92d95c382d277aec7996176"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/flarum/framework/security/advisories/GHSA-733r-8xcp-w9mr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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