cve-2026-18781

{
  "cvss": 8.1,
  "datePublished": "2026-08-21T07:16:25.143",
  "dateUpdated": "2026-10-24T20:10:00.137",
  "description": "The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not validate the final name of an uploaded file after stripping characters from it, allowing unauthenticated users to defeat its file type restrictions and execute arbitrary code on the server.",
  "id": "CVE-2026-18781",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "defaultStatus": "unaffected",
            "product": "Drag and Drop Multiple File Upload for Contact Form 7",
            "vendor": "Unknown",
            "versions": [
              {
                "lessThan": "1.3.9.9",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "contact@wpscan.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not validate the final name of an uploaded file after stripping characters from it, allowing unauthenticated users to defeat its file type restrictions and execute arbitrary code on the server."
      },
      {
        "lang": "es",
        "value": "El plugin de WordPress Drag and Drop Multiple File Upload for Contact Form 7 anterior a la versión 1.3.9.9 no valida el nombre final de un archivo subido después de eliminarle caracteres, lo que permite a usuarios no autenticados eludir sus restricciones de tipo de archivo y ejecutar código arbitrario en el servidor."
      }
    ],
    "id": "CVE-2026-18781",
    "lastModified": "2026-10-24T20:10:00.137",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 5.9,
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-18781",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "total"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-08-21T12:54:16.574388Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-08-21T07:16:25.143",
    "references": [
      {
        "source": "contact@wpscan.com",
        "url": "https://wpscan.com/vulnerability/fb59519b-80ae-48e4-a31a-71d24ded205b/"
      }
    ],
    "sourceIdentifier": "contact@wpscan.com",
    "vulnStatus": "Deferred",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-94"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "HIGH",
  "source": "nvd",
  "title": "The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not validate the final..."
}