{
    "id": "CVE-2013-4660",
    "published": "2013-06-28 14:55:02",
    "last_modified": "2026-06-16 23:57:40",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-20",
    "description": "The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation.",
    "epss_score": "0.17321",
    "epss_percentile": "0.97013",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:12",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "nodeca",
            "product": "js-yaml"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "28655",
            "title": "Nodejs - 'js-yaml load()' Code Exec (Metasploit)",
            "date": "2013-09-30",
            "url": "https://www.exploit-db.com/exploits/28655"
        }
    ],
    "refs_list": [
        "http://portal.nodesecurity.io/advisories/js-yaml",
        "https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/",
        "http://portal.nodesecurity.io/advisories/js-yaml",
        "https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/"
    ]
}