CVE-2026-103688

{
  "etk_id": "ETK-2026-2902",
  "cve_id": "CVE-2026-103688",
  "display_id": "CVE-2026-103688",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unrestricted file upload in Checkout Files Upload for WooCommerce",
  "summary": "Checkout Files Upload for WooCommerce versions before 2.4.0 can accept arbitrary uploads when its accepted-file-types setting is left blank. An unauthenticated attacker may upload files that enable code execution if the web server runs PHP from the uploads directory.",
  "mitigation": "Upgrade Checkout Files Upload for WooCommerce to version 2.4.0 or later. Until upgraded, do not leave the accepted-file-types setting blank and prevent PHP execution in upload directories.",
  "vendor": "WP Wham",
  "product": "Checkout Files Upload for WooCommerce",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 2.4.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "2.4.0"
      ],
      "package_name": "Checkout Files Upload for WooCommerce",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.8,
  "cvss_src": "other",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "upstream",
  "exploit": false,
  "pipeline_minutes": 0.010467766666666666,
  "t0_at": "2026-10-28T06:00:20.809000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-28T20:40:23.915532+00:00",
      "days": 0.6111470663425926,
      "is_lower_bound": false,
      "measured_at": "2026-10-28T06:00:20.809000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-28T00:00:00+00:00",
      "days": -0.2502408449074074,
      "is_lower_bound": false,
      "measured_at": "2026-10-28T06:00:20.809000+00:00",
      "url": "https://vulncheck.com/cve/CVE-2026-103688"
    }
  }
}