{
    "id": "CVE-2016-8869",
    "published": "2016-11-04 21:59:07",
    "last_modified": "2026-06-17 00:55:06",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-20",
    "description": "The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.",
    "epss_score": "0.97252",
    "epss_percentile": "0.99894",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:20:42",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "joomla",
            "product": "joomla\\!"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40637",
            "title": "Joomla! 3.4.4 < 3.6.4 - Account Creation / Privilege Escalation",
            "date": "2016-10-27",
            "url": "https://www.exploit-db.com/exploits/40637"
        }
    ],
    "refs_list": [
        "http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc",
        "http://www.securityfocus.com/bid/93883",
        "http://www.securitytracker.com/id/1037108",
        "https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html",
        "https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html",
        "https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf",
        "https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r",
        "https://www.exploit-db.com/exploits/40637/",
        "http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc",
        "http://www.securityfocus.com/bid/93883",
        "http://www.securitytracker.com/id/1037108",
        "https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html",
        "https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html",
        "https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf",
        "https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r",
        "https://www.exploit-db.com/exploits/40637/"
    ]
}