CVE-2026-118167

{
  "etk_id": "ETK-2026-3700",
  "cve_id": "CVE-2026-118167",
  "display_id": "CVE-2026-118167",
  "ghsa_id": "GHSA-qpwm-gvfh-p35v",
  "euvd_id": "EUVD-2026-117912",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper audience authorization in MC4WP",
  "summary": "MC4WP: Mailchimp for WordPress versions before 4.15.0 can accept sign-up requests targeting unintended audiences in the connected Mailchimp account. An unauthenticated attacker may add arbitrary email addresses to those audiences when an affected sign-up form or bundled integration is reachable.",
  "mitigation": "Upgrade MC4WP: Mailchimp for WordPress to version 4.15.0 or later. Until upgraded, restrict public access to affected sign-up forms and integrations where feasible.",
  "vendor": null,
  "product": "MC4WP: Mailchimp for WordPress",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 4.15.0"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "4.15.0"
      ],
      "package_name": "MC4WP: Mailchimp for WordPress",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 58.68584678333333,
  "t0_at": "2026-11-06T06:00:28.080000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-06T07:49:13.109489+00:00",
      "days": 0.0755211746412037,
      "is_lower_bound": false,
      "measured_at": "2026-11-06T06:00:28.080000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-11-06T06:00:28.080000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-06T06:00:28.080000+00:00",
      "url": "https://github.com/advisories/GHSA-qpwm-gvfh-p35v"
    }
  }
}