CVE-2026-89289

{
  "etk_id": "ETK-2026-735",
  "cve_id": "CVE-2026-89289",
  "display_id": "CVE-2026-89289",
  "ghsa_id": "GHSA-r2m9-vxc3-w8ph",
  "euvd_id": "EUVD-2026-92967",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated order-data modification in Fast Courier",
  "summary": "Fast Courier for WordPress through 5.2.3 exposes a REST route without authentication controls. An attacker who can provide an order identifier may change that order's fulfillment status and customer-visible tracking details.",
  "mitigation": "Disable Fast Courier or block unauthenticated access to its REST endpoint until an updated release is available. Review WooCommerce order fulfillment and tracking records for unexpected changes.",
  "vendor": null,
  "product": "Fast Courier",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 5.2.3"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Fast Courier",
      "purl": null
    }
  ],
  "cwes": [
    862
  ],
  "cvss_score": 5.3,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "epss_score": 0.0018,
  "epss_percentile": 0.073,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 27.306713583333334,
  "t0_at": "2026-10-06T06:00:21.148000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-06T07:00:26.119311+00:00",
      "days": 0.041724204988425925,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T06:00:21.148000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-06T06:00:21.148000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T06:00:21.148000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-89289"
    }
  }
}