{
    "id": "CVE-2014-3146",
    "published": "2014-05-14 19:55:11",
    "last_modified": "2026-06-17 00:07:40",
    "cvss_score": "6.1",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
    "cwe": "CWE-79",
    "description": "Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.",
    "epss_score": "0.06333",
    "epss_percentile": "0.93411",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-30 18:17:12",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "lxml",
            "product": "lxml"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "39155",
            "title": "lxml - 'clean_html' Security Bypass",
            "date": "2014-04-15",
            "url": "https://www.exploit-db.com/exploits/39155"
        }
    ],
    "refs_list": [
        "http://advisories.mageia.org/MGASA-2014-0218.html",
        "http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html",
        "http://lxml.de/3.3/changes-3.3.5.html",
        "http://seclists.org/fulldisclosure/2014/Apr/210",
        "http://seclists.org/fulldisclosure/2014/Apr/319",
        "http://secunia.com/advisories/58013",
        "http://secunia.com/advisories/58744",
        "http://secunia.com/advisories/59008",
        "http://www.debian.org/security/2014/dsa-2941",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2015:112",
        "http://www.openwall.com/lists/oss-security/2014/05/09/7",
        "http://www.securityfocus.com/bid/67159",
        "http://www.ubuntu.com/usn/USN-2217-1",
        "https://mailman-mail5.webfaction.com/pipermail/lxml/2014-April/007128.html",
        "http://advisories.mageia.org/MGASA-2014-0218.html",
        "http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html",
        "http://lxml.de/3.3/changes-3.3.5.html",
        "http://seclists.org/fulldisclosure/2014/Apr/210",
        "http://seclists.org/fulldisclosure/2014/Apr/319",
        "http://secunia.com/advisories/58013",
        "http://secunia.com/advisories/58744",
        "http://secunia.com/advisories/59008",
        "http://www.debian.org/security/2014/dsa-2941",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2015:112",
        "http://www.openwall.com/lists/oss-security/2014/05/09/7"
    ]
}