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CVE-2012-4201

Estado: ModificadaMedia (4.3)—

The evalInSandbox implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 uses an incorrect context during the handling of JavaScript code that sets the location.href property, which allows remote attackers to conduct cross-site scripting (XSS) attacks or read arbitrary files by leveraging a sandboxed add-on.

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 (14)

Canonical — Ubuntu LinuxDebian — Debian LinuxMozilla — FirefoxMozilla — SeamonkeyMozilla — ThunderbirdMozilla — Thunderbird ESROpensuse — OpensuseRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux EUSRedhat — Enterprise Linux ServerRedhat — Enterprise Linux WorkstationSuse — Linux Enterprise DesktopSuse — Linux Enterprise ServerSuse — Linux Enterprise Software Development KIT

CWE

Referencias

JSON original (NVD)

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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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  "published": "2012-11-21T12:55:01.477",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-79"
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      "value": "La implementación evalInSandbox en Mozilla Firefox antes de v17.0, v10.x Firefox ESR antes de v10.0.11, Thunderbird antes de v17.0, Thunderbird ESR v10.x antes de v10.0.11, y SeaMonkey antes de v2.14 usa un contexto incorrecto durante la manipulación de código JavaScript que establece la propiedad location.href, lo que permite a atacantes remotos realizar ataques de ejecución de comandos en sitios cruzados (XSS) o leer archivos de su elección aprovechándose de un espacio complemento aislado (\"sandboxed\").\r\n"
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  "lastModified": "2026-06-16T23:44:35.760",
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  "sourceIdentifier": "cve@mitre.org"
}