CVE-2026-105642

{
  "etk_id": "ETK-2026-815",
  "cve_id": "CVE-2026-105642",
  "display_id": "CVE-2026-105642",
  "ghsa_id": "GHSA-788w-68h3-cvxp",
  "euvd_id": "EUVD-2026-92621",
  "status": "published",
  "anchor_state": "anchored",
  "title": "SVG processing command injection in Ghost",
  "summary": "Ghost versions 6.56.0 through releases before 6.67.0 are affected by an SVG-handling flaw in a bundled image-processing component. A staff user, including a Contributor, can trigger command execution on the Ghost server by creating bookmark content tied to a site they control.",
  "mitigation": "Upgrade Ghost to version 6.67.0 or later. Until upgraded, restrict staff and Contributor access to trusted users and review bookmark creation activity.",
  "vendor": "npm",
  "product": "Ghost",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 6.56.0, < 6.67.0"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "6.67.0"
      ],
      "package_name": "ghost",
      "purl": "pkg:npm/ghost"
    }
  ],
  "cwes": [
    94
  ],
  "cvss_score": 8.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss_score": 0.0025,
  "epss_percentile": 0.1548,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 106.88138995,
  "t0_at": "2026-10-05T18:31:05.988000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-05T18:31:05.988000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-05T18:31:05.988000+00:00",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-788w-68h3-cvxp"
    }
  }
}