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CVE-2008-4723

Estado: ModificadaMedia (4.3)—

Múltiples vulnerabilidades de secuencias de comandos en sitios cruzados (XSS) en Mozilla Firefox v3.0.1 hasta v3.0.3 permiten a atacantes remotos inyectar web script o HTML a través de una URL ftp:// de un documento HTML dentro de un fichero (1) JPG, (2) PDF, o (3) TXT. NOTA: la procedencia de esta información es desconocida; los detalles han sido obtenidos a solamente a partir de la información de terceros.

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)

Mozilla — Firefox

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-4723",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-10-23T22:00:01.560",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/31855",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/31855",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox 3.0.1 through 3.0.3 allow remote attackers to inject arbitrary web script or HTML via an ftp:// URL for an HTML document within a (1) JPG, (2) PDF, or (3) TXT file.  NOTE: the provenance of this information is unknown; the details are obtained solely from third party information."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de secuencias de comandos en sitios cruzados (XSS) en Mozilla Firefox v3.0.1 hasta v3.0.3 permiten a atacantes remotos inyectar web script o HTML a través de una URL ftp:// de un documento HTML dentro de un fichero (1) JPG, (2) PDF, o (3) TXT.\r\nNOTA: la procedencia de esta información es desconocida; los detalles han sido obtenidos a solamente a partir de la información de terceros."
    }
  ],
  "lastModified": "2026-06-16T22:58:23.457",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "11E07FED-ABDB-4B0A-AB2E-4CBF1EAC4301"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A6558F1-9E0D-4107-909A-8EF4BC8A9C2F"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63DF3D65-C992-44CF-89B4-893526C6242E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Red Hat does not consider this to be a security flaw.  Firefox is handling the ftp:// URL as expected.",
      "lastModified": "2009-01-21T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}