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CVE-2026-3629

Estado: AplazadaAlta (8.1)—

The Import and export users and customers plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 1.29.7. This is due to the 'save_extra_user_profile_fields' function not properly restricting which user meta keys can be updated via profile fields. The 'get_restricted_fields' method does not include sensitive meta keys such as 'wp_capabilities'. This makes it possible for unauthenticated attackers to escalate their privileges to Administrator by submitting a crafted registration request that sets the 'wp_capabilities' meta key. The vulnerability can only be exploited if the "Show fields in profile" setting is enabled and a CSV with a wp_capabilities column header has been previously imported.

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).

🎯 Técnicas ATT&CK

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

Vulnerabilidad en plugin WordPress explotable por atacante remoto sin autenticación (AV:N, PR:N) mediante solicitud HTTP artesanal. Escalada de privilegios a Administrador sin interacción del usuario (UI:N), alcanzable por exposición de la aplicación web.

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3629",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3629",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-23T16:13:14.147293Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "carazo",
          "product": "Import and export users and customers",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "1.29.7"
            }
          ],
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  ],
  "published": "2026-03-21T23:16:51.393",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/1.29.7/classes/columns.php#L193",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/1.29.7/classes/columns.php#L217",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/import-users-from-csv-with-meta/tags/1.29.7/classes/helper.php#L146",
      "source": "security@wordfence.com"
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    {
      "url": "https://plugins.trac.wordpress.org/changeset/3483330/import-users-from-csv-with-meta#file37",
      "source": "security@wordfence.com"
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    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48dd9098-38e6-49da-8d22-27e12fddef51?source=cve",
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Import and export users and customers plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 1.29.7. This is due to the 'save_extra_user_profile_fields' function not properly restricting which user meta keys can be updated via profile fields. The 'get_restricted_fields' method does not include sensitive meta keys such as 'wp_capabilities'. This makes it possible for unauthenticated attackers to escalate their privileges to Administrator by submitting a crafted registration request that sets the 'wp_capabilities' meta key. The vulnerability can only be exploited if the \"Show fields in profile\" setting is enabled and a CSV with a wp_capabilities column header has been previously imported."
    },
    {
      "lang": "es",
      "value": "El plugin Importar y exportar usuarios y clientes para WordPress es vulnerable a escalada de privilegios en todas las versiones hasta, e incluyendo, la 1.29.7. Esto se debe a que la función 'save_extra_user_profile_fields' no restringe adecuadamente qué claves meta de usuario pueden ser actualizadas a través de los campos de perfil. El método 'get_restricted_fields' no incluye claves meta sensibles como 'wp_capabilities'. Esto hace posible que atacantes no autenticados escalen sus privilegios a Administrador al enviar una solicitud de registro manipulada que establece la clave meta 'wp_capabilities'. La vulnerabilidad solo puede ser explotada si la configuración \"Mostrar campos en el perfil\" está habilitada y se ha importado previamente un CSV con un encabezado de columna wp_capabilities."
    }
  ],
  "lastModified": "2026-06-17T10:43:53.480",
  "sourceIdentifier": "security@wordfence.com"
}