CVE-2026-104414

{
  "etk_id": "ETK-2026-335",
  "cve_id": "CVE-2026-104414",
  "display_id": "CVE-2026-104414",
  "ghsa_id": "GHSA-7wpv-mphg-4gmw",
  "euvd_id": "EUVD-2026-91425",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in Ghost oEmbed photo handling",
  "summary": "Ghost versions 2.5.0 through versions before 6.64.0 are affected by stored cross-site scripting in oEmbed photo responses. An attacker who can cause a malicious oEmbed URL to be embedded can store script content that executes in the Ghost editor, on published sites, and in newsletter emails, potentially compromising staff sessions.",
  "mitigation": "Upgrade the Ghost npm package to version 6.64.0 or later. Until upgraded, restrict embedding of untrusted oEmbed URLs to reduce exposure.",
  "vendor": "TryGhost",
  "product": "Ghost",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 2.5.0, < 6.64.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "6.64.0"
      ],
      "package_name": "ghost",
      "purl": "pkg:npm/ghost"
    }
  ],
  "cwes": [
    79
  ],
  "cvss_score": 8.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
  "epss_score": 0.0028,
  "epss_percentile": 0.1906,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 37.73837158333333,
  "t0_at": "2026-10-02T11:37:57.719000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-03T13:41:12.493686+00:00",
      "days": 1.0855876699768519,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T11:37:57.719000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-02T11:37:57.719000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-02T11:37:57.719000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104414"
    }
  }
}