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CVE-2024-6521

Estado: ModificadaMedia (4.8)—

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dropdown fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

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)

Fluentforms — Contact Form

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-6521",
  "cveTags": [],
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          "version": "2.0.3",
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  "published": "2024-07-27T12:15:11.250",
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      "tags": [
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      "tags": [
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
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      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dropdown fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled."
    },
    {
      "lang": "es",
      "value": " El complemento Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder para WordPress es vulnerable a Cross Site Scripting almacenado en todas las versiones hasta la 5.1.19 incluida debido a una sanitización de entrada y un escape de salida insuficientes . Esto hace posible que atacantes autenticados, con acceso de nivel de administrador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."
    }
  ],
  "lastModified": "2026-06-17T08:18:10.530",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:fluentforms:contact_form:*:*:*:*:*:wordpress:*:*",
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              "matchCriteriaId": "A558738E-B31A-48D6-9B22-3BD4EBC79607",
              "versionEndExcluding": "5.1.20"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}