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CVE-2019-11723

Estado: ModificadaAlta (7.5)—

Se presenta una vulnerabilidad durante la instalación de complementos donde la captura inicial ignoró los atributos de origen del contexto de navegación. Esto podría filtrar cookies en el modo de navegación privada o en diferentes "containers" para personas que utilizan la Extensión Web de Contenedores de Cuentas Múltiples de Firefox. Esta vulnerabilidad afecta a Firefox anterior a versión 68.

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 (2)

Mozilla — FirefoxOpensuse — Leap

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2019-11723",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
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  "affected": [
    {
      "source": "security@mozilla.org",
      "affectedData": [
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          "vendor": "Mozilla",
          "product": "Firefox",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "68",
              "versionType": "custom"
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  "published": "2019-07-23T14:15:16.280",
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      "tags": [
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could leak cookies in private browsing mode or across different \"containers\" for people who use the Firefox Multi-Account Containers Web Extension. This vulnerability affects Firefox < 68."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad durante la instalación de complementos donde la captura inicial ignoró los atributos de origen del contexto de navegación. Esto podría filtrar cookies en el modo de navegación privada o en diferentes \"containers\" para personas que utilizan la Extensión Web de Contenedores de Cuentas Múltiples de Firefox. Esta vulnerabilidad afecta a Firefox anterior a versión 68."
    }
  ],
  "lastModified": "2026-06-17T02:13:30.453",
  "configurations": [
    {
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}