CVE-2026-86596

{
  "etk_id": "ETK-2026-3319",
  "cve_id": "CVE-2026-86596",
  "display_id": "CVE-2026-86596",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-115642",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authenticated remote code execution in s2Member",
  "summary": "s2Member for WordPress, including version 260927 and earlier, has unsafe processing of an item name used in email templates. An authenticated user with custom-level access or higher may cause code to run on the WordPress server.",
  "mitigation": "Restrict custom-level and higher s2Member accounts to trusted administrators, and disable the plugin where that restriction cannot be enforced. Monitor for a vendor update that explicitly addresses this issue and upgrade after confirming the fixed release.",
  "vendor": "clavaque",
  "product": "s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 260927"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions",
      "purl": null
    }
  ],
  "cwes": [
    94
  ],
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "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": 0.26948553333333336,
  "t0_at": "2026-11-02T21:30:23.199000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-02T22:11:03.466217+00:00",
      "days": 0.028243833530092594,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T21:30:23.199000+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-11-02T00:00:00+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T21:30:23.199000+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2026-86596"
    },
    "public_poc": {
      "at": "2026-11-02T22:57:32+00:00",
      "days": 0.060518530092592594,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T21:30:23.199000+00:00",
      "url": "https://github.com/thiscitze/cve-2026-86596-poc"
    },
    "trigger_signal": {
      "at": "2026-11-02T21:30:23.199000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-02T21:30:23.199000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-86596"
    }
  }
}