{
    "id": "CVE-2020-13965",
    "published": "2020-06-09 03:15:11",
    "last_modified": "2026-06-17 02:54:01",
    "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": "An issue was discovered in Roundcube Webmail before 1.3.12 and 1.4.x before 1.4.5. There is XSS via a malicious XML attachment because text/xml is among the allowed types for a preview.",
    "epss_score": "0.76596",
    "epss_percentile": "0.99528",
    "kev": 1,
    "kev_due": "2024-07-17",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:26:00",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2024-07-17."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "roundcube",
            "product": "webmail"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2020-13965",
        "date_added": "2024-06-26",
        "due_date": "2024-07-17",
        "vendor": "Roundcube",
        "product": "Webmail",
        "name": "Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube",
        "https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3",
        "https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5",
        "https://github.com/roundcube/roundcubemail/releases/tag/1.3.12",
        "https://github.com/roundcube/roundcubemail/releases/tag/1.4.5",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/",
        "https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12",
        "https://www.debian.org/security/2020/dsa-4700",
        "https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube",
        "https://github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3",
        "https://github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5",
        "https://github.com/roundcube/roundcubemail/releases/tag/1.3.12",
        "https://github.com/roundcube/roundcubemail/releases/tag/1.4.5",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/",
        "https://roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12",
        "https://www.debian.org/security/2020/dsa-4700",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13965"
    ]
}