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CVE-2026-3231

Estado: AplazadaAlta (7.2)—

The Checkout Field Editor (Checkout Manager) for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom radio and checkboxgroup field values submitted through the WooCommerce Block Checkout Store API in all versions up to, and including, 2.1.7.

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This is due to the `prepare_single_field_data()` method in `class-thwcfd-block-order-data.php` first escaping values with `esc_html()` then immediately reversing the escaping with `html_entity_decode()` for radio and checkboxgroup field types, combined with a permissive `wp_kses()` allowlist in `get_allowed_html()` that explicitly permits the `<select>` element with the `onchange` event handler attribute. This makes it possible for unauthenticated attackers to inject arbitrary web scripts via the Store API checkout endpoint that execute when an administrator views the order details page.

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.

Plugin WooCommerce vulnerable a XSS almacenado (CWE-79) accesible sin autenticación a través de API remota pública. Permite inyectar scripts JavaScript que se ejecutan en navegador de administrador (T1059.007) y acceder a datos de órdenes (T1005).

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

Vulnerability ScanningRestrict Web-Based ContentPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network Traffic

Tecnologías afectadas (1)

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

Themehelper — Checkout Field EditorAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-3231",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-3231",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-11T13:25:54.947751Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "themehigh",
          "product": "Checkout Field Editor (Checkout Manager) for WooCommerce",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "2.1.7"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-11T10:16:13.873",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/browser/woo-checkout-field-editor-pro/tags/2.1.7/block/class-thwcfd-block-order-data.php#L437",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/woo-checkout-field-editor-pro/tags/2.1.7/block/class-thwcfd-block.php#L388",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/browser/woo-checkout-field-editor-pro/tags/2.1.7/includes/utils/class-thwcfd-utils.php#L476",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3478914%40woo-checkout-field-editor-pro%2Ftrunk&old=3454287%40woo-checkout-field-editor-pro%2Ftrunk&sfp_email=&sfph_mail=#file1",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://research.cleantalk.org/cve-2026-3231/",
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/df406e59-94d9-4704-82a3-02c2c1773c82?source=cve",
      "source": "security@wordfence.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Checkout Field Editor (Checkout Manager) for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom radio and checkboxgroup field values submitted through the WooCommerce Block Checkout Store API in all versions up to, and including, 2.1.7. This is due to the `prepare_single_field_data()` method in `class-thwcfd-block-order-data.php` first escaping values with `esc_html()` then immediately reversing the escaping with `html_entity_decode()` for radio and checkboxgroup field types, combined with a permissive `wp_kses()` allowlist in `get_allowed_html()` that explicitly permits the `<select>` element with the `onchange` event handler attribute. This makes it possible for unauthenticated attackers to inject arbitrary web scripts via the Store API checkout endpoint that execute when an administrator views the order details page."
    },
    {
      "lang": "es",
      "value": "El plugin Checkout Field Editor (Checkout Manager) para WooCommerce para WordPress es vulnerable a cross-site scripting almacenado a través de valores de campo personalizados de tipo radio y checkboxgroup enviados a través de la API de la tienda de pago por bloques de WooCommerce en todas las versiones hasta la 2.1.7, inclusive. Esto se debe al método `prepare_single_field_data()` en `class-thwcfd-block-order-data.php` que primero escapa los valores con `esc_html()` y luego revierte inmediatamente el escape con `html_entity_decode()` para los tipos de campo radio y checkboxgroup, combinado con una lista de permitidos `wp_kses()` permisiva en `get_allowed_html()` que permite explícitamente el elemento `` con el atributo gestor de eventos `onchange`. Esto hace posible que atacantes no autenticados inyecten scripts web arbitrarios a través del endpoint de pago de la API de la tienda que se ejecutan cuando un administrador ve la página de detalles del pedido."
    }
  ],
  "lastModified": "2026-06-17T10:43:15.640",
  "sourceIdentifier": "security@wordfence.com"
}