CVE-2026-105679

{
  "etk_id": "ETK-2026-677",
  "cve_id": "CVE-2026-105679",
  "display_id": "CVE-2026-105679",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-92770",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting via local uploads in Ghost",
  "summary": "Ghost 6.22.1 through 6.63.x can serve staff-uploaded files with browser-interpretable types when the default local storage adapter is used. A staff user could use this behavior to run script content under the site's origin and potentially affect other staff administration sessions.",
  "mitigation": "Upgrade Ghost to version 6.64.0 or later. Until upgraded, restrict staff upload privileges and avoid using the default local storage adapter where feasible.",
  "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": 7.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
  "epss_score": 0.0024,
  "epss_percentile": 0.1373,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 32.53660838333333,
  "t0_at": "2026-10-05T19:22:40.737000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-05T21:04:32.456490+00:00",
      "days": 0.07073749409722223,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T19:22:40.737000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-05T19:22:40.737000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T19:22:40.737000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-105679"
    }
  }
}