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CVE-2025-22602

Estado: AnalizadaMedia (6.1)—

Discourse is an open source platform for community discussion. In affected versions an attacker can execute arbitrary JavaScript on users' browsers by posting a malicious video placeholder html element. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Discourse — Discourse

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-22602",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-02-12T14:03:21.228534Z"
        }
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
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          "userInteraction": "REQUIRED",
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  "published": "2025-02-04T21:15:27.950",
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      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-jcjx-694p-c5m3",
      "tags": [
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      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
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      "value": "Discourse is an open source platform for community discussion. In affected versions an attacker can execute arbitrary JavaScript on users' browsers by posting a malicious video placeholder html element. This issue only affects sites with CSP disabled. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should enable CSP."
    },
    {
      "lang": "es",
      "value": "Discourse es una plataforma de código abierto para debates comunitarios. En las versiones afectadas, un atacante puede ejecutar código JavaScript arbitrario en los navegadores de los usuarios mediante la publicación de un elemento HTML de marcador de posición de vídeo malicioso. Este problema solo afecta a los sitios que tienen CSP deshabilitado. Este problema se ha corregido en la última versión de Discourse. Se recomienda a los usuarios que actualicen la versión. Los usuarios que no puedan actualizar la versión deben habilitar CSP."
    }
  ],
  "lastModified": "2026-06-17T08:48:37.037",
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