{
    "id": "CVE-2015-8562",
    "published": "2015-12-16 21:59:06",
    "last_modified": "2026-06-17 00:34:46",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-20",
    "description": "Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.",
    "epss_score": "0.98283",
    "epss_percentile": "0.99914",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:20:20",
    "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": "39033",
            "title": "Joomla! 1.5 < 3.4.6 - Object Injection 'x-forwarded-for' Header Remote Code Execution",
            "date": "2015-12-18",
            "url": "https://www.exploit-db.com/exploits/39033"
        },
        {
            "source": "exploit-db",
            "ref_id": "38977",
            "title": "Joomla! 1.5 < 3.4.5 - Object Injection Remote Command Execution",
            "date": "2015-12-15",
            "url": "https://www.exploit-db.com/exploits/38977"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html",
        "http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce",
        "http://www.securityfocus.com/archive/1/537219/100/0/threaded",
        "http://www.securityfocus.com/bid/79195",
        "https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html",
        "https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html",
        "https://www.exploit-db.com/exploits/38977/",
        "https://www.exploit-db.com/exploits/39033/",
        "http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html",
        "http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html",
        "http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce",
        "http://www.securityfocus.com/archive/1/537219/100/0/threaded",
        "http://www.securityfocus.com/bid/79195",
        "https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html",
        "https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html",
        "https://www.exploit-db.com/exploits/38977/",
        "https://www.exploit-db.com/exploits/39033/"
    ]
}