{
    "id": "CVE-2021-23639",
    "published": "2021-12-10 20:15:08",
    "last_modified": "2026-06-17 03:38:50",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine.",
    "epss_score": "0.05413",
    "epss_percentile": "0.92484",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:25",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "markdown_to_pdf_project",
            "product": "markdown_to_pdf"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/simonhaenisch/md-to-pdf/commit/a716259c548c82fa1d3b14a3422e9100619d2d8a",
        "https://github.com/simonhaenisch/md-to-pdf/issues/99",
        "https://snyk.io/vuln/SNYK-JS-MDTOPDF-1657880",
        "https://github.com/simonhaenisch/md-to-pdf/commit/a716259c548c82fa1d3b14a3422e9100619d2d8a",
        "https://github.com/simonhaenisch/md-to-pdf/issues/99",
        "https://snyk.io/vuln/SNYK-JS-MDTOPDF-1657880"
    ]
}