CVE-2026-104411

{
  "etk_id": "ETK-2026-337",
  "cve_id": "CVE-2026-104411",
  "display_id": "CVE-2026-104411",
  "ghsa_id": "GHSA-6v5j-39pg-pv7v",
  "euvd_id": "EUVD-2026-91422",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in Ghost local storage uploads",
  "summary": "Ghost 6.22.1 through versions before 6.64.0 is affected when it uses the default local storage adapter. A staff user who can upload files may cause browser-executed content to affect other staff users' administrative sessions.",
  "mitigation": "Upgrade the ghost package to version 6.64.0 or later. Until upgraded, restrict staff upload permissions and avoid serving uploaded content from the application origin where possible.",
  "vendor": "TryGhost",
  "product": "Ghost",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 6.22.1, < 6.64.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "6.64.0"
      ],
      "package_name": "ghost",
      "purl": "pkg:npm/ghost"
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 8.5,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0026,
  "epss_percentile": 0.1612,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 17.110972466666666,
  "t0_at": "2026-10-02T11:37:55.691000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-02T13:26:30.107103+00:00",
      "days": 0.07539833452546296,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T11:37:55.691000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-02T11:37:55.691000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T11:37:55.691000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104411"
    }
  }
}