May 23, 2022 · Applied Cybernetics Group
CVE-2019-18426 — Meta Platforms WhatsApp
WhatsApp Cross-Site Scripting Vulnerability
- Added to KEV
2022-05-23- Federal due date
2022-06-13- Vendor
- Meta Platforms
- Product
- EPSS
- 99.3th percentile (score 0.679, as of
2026-09-16) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-18426
CISA short description
A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Required action
Apply updates per vendor instructions.