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CVE-2019-18426: WhatsApp Cross-Site Scripting Vulnerability
Meta Platforms WhatsApp · in CISA KEV since 2022-05-23
2022-05-23added to KEV
2022-06-13federal remediation due date
67.86%EPSS exploit probability (30 days) 99.3th percentile
8.2 HIGHCVSS 3.1
Unknownknown ransomware use
853days from NVD publication to KEV
What it is
A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-79 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N |
| NVD published | 2020-01-21 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2019-18426.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.