{
  "id": "CVE-2024-21641",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2024-01-05T21:15:43.337",
  "lastModified": "2024-01-18T20:42:19.490",
  "vulnStatus": "Analyzed",
  "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."
    }
  ],
  "metrics": {
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      },
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        "type": "Secondary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 3.9,
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      }
    ]
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  "weaknesses": [
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      "source": "security-advisories@github.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
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      "nodes": [
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          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:flarum:flarum:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.8.5",
              "matchCriteriaId": "D5C4E508-EB5A-43B9-B11C-81977B5BA70D"
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  "references": [
    {
      "url": "https://github.com/flarum/flarum-core/commit/ee8b3b4ad1413a2b0971fdd9e40f812d2a3a9d3a",
      "source": "security-advisories@github.com",
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      "url": "https://github.com/flarum/framework/security/advisories/GHSA-733r-8xcp-w9mr",
      "source": "security-advisories@github.com",
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}