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CVE-2009-3890

Estado: ModificadaMedia (6)—💥 Exploit

Vulnerabilidad de subida de archivos sin restricción en la función wp_check_filetype en wp-includes/functions.php en WordPress anteriores a v2.8.6, cuando cierta configuración del modulo mod_mime en el servidor HTTP Apache esta activado, permite a usuarios remotos autenticados ejecutar código arbitrario posteando un adjunto con un nombre de fichero con múltiples extensiones y luego accediendo a el a través de una petición directa al nombre de ruta wp-content/uploads/, como se demuestra con el nombre de fichero .php.jpg.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Wordpress — Wordpress

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-3890",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-11-17T18:30:00.313",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://core.trac.wordpress.org/ticket/11122",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/37332",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/15/2",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/15/3",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/16/1",
      "tags": [
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        "Third Party Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.osvdb.org/59958",
      "tags": [
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html",
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    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html",
      "tags": [
        "Broken Link"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html",
      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://core.trac.wordpress.org/ticket/11122",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/37332",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/15/2",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/15/3",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
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    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/11/16/1",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/59958",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de subida de archivos sin restricción en la función wp_check_filetype en wp-includes/functions.php en WordPress anteriores a v2.8.6, cuando cierta configuración del modulo mod_mime en el servidor HTTP Apache esta activado, permite a usuarios remotos autenticados ejecutar código arbitrario posteando un adjunto con un nombre de fichero con múltiples extensiones y luego accediendo a el a través de una petición directa al nombre de ruta wp-content/uploads/, como se demuestra con el nombre de fichero .php.jpg."
    }
  ],
  "lastModified": "2026-06-16T23:12:34.983",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E33698FD-9A82-413F-BADD-8E0719BB70A9",
              "versionEndIncluding": "2.8.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}