CVE-2026-103292

{
  "etk_id": "ETK-2026-236",
  "cve_id": "CVE-2026-103292",
  "display_id": "CVE-2026-103292",
  "ghsa_id": "GHSA-2549-6x67-jgrp",
  "euvd_id": "EUVD-2026-90685",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Stored cross-site scripting in Ghost JSON-LD output",
  "summary": "Ghost versions 0.5.3 through 6.49.x allow authenticated users with limited privileges to place unsanitized content in JSON-LD emitted by the `{{ghost_head}}` helper. An attacker can cause script to run in a staff user's browser when that user views an affected published page, potentially compromising the user's admin session.",
  "mitigation": "Upgrade Ghost to version 6.50.0 or later. Until upgraded, restrict untrusted users' ability to create or edit content and review published pages created by limited-privilege accounts.",
  "vendor": "TryGhost",
  "product": "Ghost",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">=0.5.3 < 6.50.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "6.50.0"
      ],
      "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:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
  "epss_score": 0.0023,
  "epss_percentile": 0.1338,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 16.853350416666668,
  "t0_at": "2026-10-01T10:42:25.235000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-01T12:12:23.912281+00:00",
      "days": 0.06248469075231482,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T10:42:25.235000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-01T10:42:25.235000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T10:42:25.235000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-103292"
    }
  }
}