Checkout Files Upload for WooCommerce < 2.4.0 - Unauthenticated Arbitrary File Upload

{
  "id": "8b3c9da9cc6409ea545e2ffd0c3f43a4c526345594a12bbf037617075f9acc63",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-103688",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Checkout Files Upload for WooCommerce < 2.4.0 - Unauthenticated Arbitrary File Upload",
    "summary": "The Checkout Files Upload for WooCommerce WordPress plugin before 2.4.0 does not validate uploaded file types when its accepted file types setting is left empty, which it documents as the way to accept all files, allowing unauthenticated users to upload arbitrary files, including PHP files that lead to remote code execution on servers that execute PHP from the uploads directory.",
    "evidence": "cve:CVE-2026-103688",
    "products": [
      {
        "name": {
          "value": "Checkout Files Upload for WooCommerce",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-103688",
      "aliases": [
        "CVE-2026-103688"
      ],
      "metrics": [],
      "affected": [
        {
          "vendor": "Unknown",
          "product": "Checkout Files Upload for WooCommerce",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.4.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T17:58:09.254Z",
      "provider": "cve",
      "references": [
        "https://wpscan.com/vulnerability/08777aa1-6308-4e99-b2d0-5e43209aa6a6/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "cvssV3_1": {
                  "scope": "UNCHANGED",
                  "version": "3.1",
                  "baseScore": 9.8,
                  "attackVector": "NETWORK",
                  "baseSeverity": "CRITICAL",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "integrityImpact": "HIGH",
                  "userInteraction": "NONE",
                  "attackComplexity": "LOW",
                  "availabilityImpact": "HIGH",
                  "privilegesRequired": "NONE",
                  "confidentialityImpact": "HIGH"
                }
              },
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-103688",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T17:50:16.310569Z"
                  }
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "lang": "en",
                    "type": "CWE",
                    "cweId": "CWE-434",
                    "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T17:58:09.254Z"
            }
          }
        ],
        "cna": {
          "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
          "shortName": "WPScan",
          "dateUpdated": "2026-10-28T06:00:20.809Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103688",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 470513,
  "published_at": "2026-10-28T06:00:20.809+00:00"
}