{
  "id": "CVE-2021-22886",
  "sourceIdentifier": "support@hackerone.com",
  "published": "2021-03-26T19:15:11.913",
  "lastModified": "2021-03-30T20:26:41.133",
  "vulnStatus": "Analyzed",
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      "lang": "en",
      "value": "Rocket.Chat before 3.11, 3.10.5, 3.9.7, 3.8.8 is vulnerable to persistent cross-site scripting (XSS) using nested markdown tags allowing a remote attacker to inject arbitrary JavaScript in a message. This flaw leads to arbitrary file read and RCE on Rocket.Chat desktop app."
    },
    {
      "lang": "es",
      "value": "Rocket.Chat versiones anteriores a 3.11, 3.10.5, 3.9.7, 3.8.8, es vulnerable a ataques de tipo cross-site scripting (XSS) persistente que usan etiquetas markdown anidadas que permiten a un atacante remoto inyectar JavaScript arbitrario en un mensaje. Este fallo conlleva a una lectura de archivos arbitraria y una RCE en la aplicaci\u00f3n de escritorio Rocket.Chat."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
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          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
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        "exploitabilityScore": 8.6,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
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          "value": "CWE-79"
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  "references": [
    {
      "url": "https://docs.rocket.chat/guides/security/security-updates",
      "source": "support@hackerone.com",
      "tags": [
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}