{
    "id": "CVE-2009-2335",
    "published": "2009-07-10 21:00:00",
    "last_modified": "2026-06-16 23:09:14",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
    "cwe": "CWE-16",
    "description": "WordPress and WordPress MU before 2.8.1 exhibit different behavior for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.  NOTE: the vendor reportedly disputes the significance of this issue, indicating that the behavior exists for \"user convenience.\"",
    "epss_score": "0.85000",
    "epss_percentile": "0.99707",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:16:38",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "wordpress",
            "product": "wordpress"
        },
        {
            "vendor": "wordpress",
            "product": "wordpress_mu"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "17702",
            "title": "WordPress Plugin Block-Spam-By-Math-Reloaded - Bypass",
            "date": "2011-08-20",
            "url": "https://www.exploit-db.com/exploits/17702"
        }
    ],
    "refs_list": [
        "http://corelabs.coresecurity.com/index.php?action=view&type=advisory&name=WordPress_Privileges_Unchecked",
        "http://securitytracker.com/id?1022528",
        "http://www.exploit-db.com/exploits/9110",
        "http://www.osvdb.org/55713",
        "http://www.securityfocus.com/archive/1/504795/100/0/threaded",
        "http://www.securityfocus.com/bid/35581",
        "http://www.vupen.com/english/advisories/2009/1833",
        "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00597.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00608.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00632.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00676.html",
        "http://corelabs.coresecurity.com/index.php?action=view&type=advisory&name=WordPress_Privileges_Unchecked",
        "http://securitytracker.com/id?1022528",
        "http://www.exploit-db.com/exploits/9110",
        "http://www.osvdb.org/55713",
        "http://www.securityfocus.com/archive/1/504795/100/0/threaded",
        "http://www.securityfocus.com/bid/35581",
        "http://www.vupen.com/english/advisories/2009/1833",
        "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00597.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00608.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00632.html",
        "https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00676.html"
    ]
}