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CVE-2025-6756

Estado: AnalizadaMedia (5.4)—

The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's UACF7_CUSTOM_FIELDS shortcode in all versions up to, and including, 3.5.21 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected 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).

Tecnologías afectadas (1)

Themefic — Ultimate Addons FOR Contact Form 7

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-6756",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-6756",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-01T13:34:13.932090Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "CHANGED",
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
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        "source": "nvd@nist.gov",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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  "published": "2025-07-01T10:15:32.520",
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      "tags": [
        "Product"
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    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/3319449/",
      "tags": [
        "Patch"
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      "source": "security@wordfence.com"
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    {
      "url": "https://wordpress.org/plugins/ultimate-addons-for-contact-form-7/#developers",
      "tags": [
        "Product"
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      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5b839658-c472-40f0-855f-7201baeb790f?source=cve",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
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          "value": "CWE-79"
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      "value": "The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's UACF7_CUSTOM_FIELDS shortcode in all versions up to, and including, 3.5.21 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."
    },
    {
      "lang": "es",
      "value": "El complemento Ultra Addons para Contact Form 7 de WordPress es vulnerable a Cross-Site Scripting Almacenado a través del shortcode UACF7_CUSTOM_FIELDS en todas las versiones hasta la 3.5.21 incluida, debido a una depuración de entrada insuficiente y al escape de salida en los atributos proporcionados por el usuario. Esto permite a atacantes autenticados, con acceso de colaborador o superior, inyectar scripts web arbitrarios en páginas que se ejecutarán al acceder un usuario a una página inyectada."
    }
  ],
  "lastModified": "2026-06-17T10:02:30.873",
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              "versionEndExcluding": "3.5.22"
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  "sourceIdentifier": "security@wordfence.com"
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