CVE-2026-1756

Estado: AplazadaAlta (8.8)—

The WP FOFT Loader plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WP_FOFT_Loader_Mimes::file_and_ext' function in all versions up to, and including, 2.1.39. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.73%
Percentil entre todas las CVEs puntuadas: 53
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement75 %
Impacto principalT1505.003 Web Shellpersistence85 %
Impacto secundarioT1059 Command and Scripting Interpreterexecution80 %

Vulnerabilidad remota en plugin WordPress (CWE-434: arbitrary file upload) accesible por atacantes autenticados con PR:L. Permite subir archivos arbitrarios y ejecución remota de código mediante web shell.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Disable or Remove Feature or Program Privileged Account Management Vulnerability Scanning User Account Management Threat Intelligence Program Restrict Web-Based Content

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

WP Foft Loader — WP Foft Loader^AI

CWE

CWE-434

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-1756",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2026-1756",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-04T16:59:26.260663Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
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        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "seezee",
          "product": "WP FOFT Loader",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "2.1.39"
            }
          ],
          "defaultStatus": "unaffected"
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      ]
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  ],
  "published": "2026-02-04T07:15:59.267",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3449144#L31",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3449144#L45",
      "source": "security@wordfence.com"
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    {
      "url": "https://plugins.trac.wordpress.org/changeset/3453101/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php",
      "source": "security@wordfence.com"
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    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cede8ff5-f739-4eb3-9672-5adb5d2ae0a9?source=cve",
      "source": "security@wordfence.com"
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  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The WP FOFT Loader plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WP_FOFT_Loader_Mimes::file_and_ext' function in all versions up to, and including, 2.1.39. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible."
    },
    {
      "lang": "es",
      "value": "El plugin WP FOFT Loader para WordPress es vulnerable a la carga arbitraria de archivos debido a una validación incorrecta del tipo de archivo en la función 'WP_FOFT_Loader_Mimes::file_and_ext' en todas las versiones hasta la 2.1.39, inclusive. Esto permite a atacantes autenticados, con acceso de nivel Autor o superior, cargar archivos arbitrarios en el servidor del sitio afectado, lo que podría posibilitar la ejecución remota de código."
    }
  ],
  "lastModified": "2026-06-17T10:16:27.913",
  "sourceIdentifier": "security@wordfence.com"
}