{
    "id": "CVE-2019-18426",
    "published": "2020-01-21 21:15:16",
    "last_modified": "2026-06-17 02:25:01",
    "cvss_score": "8.2",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
    "cwe": "CWE-79",
    "description": "A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.",
    "epss_score": "0.67859",
    "epss_percentile": "0.99299",
    "kev": 1,
    "kev_due": "2022-06-13",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:25:20",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-06-13."
    },
    "products": [
        {
            "vendor": "whatsapp",
            "product": "whatsapp"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2019-18426",
        "date_added": "2022-05-23",
        "due_date": "2022-06-13",
        "vendor": "Meta Platforms",
        "product": "WhatsApp",
        "name": "WhatsApp Cross-Site Scripting Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "48295",
            "title": "WhatsApp Desktop 0.3.9308 - Persistent Cross-Site Scripting",
            "date": "2020-04-06",
            "url": "https://www.exploit-db.com/exploits/48295"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html",
        "https://www.facebook.com/security/advisories/cve-2019-18426",
        "http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html",
        "https://www.facebook.com/security/advisories/cve-2019-18426",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426"
    ]
}