CVE-2019-18426
CISA KEVPublished May 23, 2022 · Updated April 3, 2026
high
Official Description+
A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Affected Products
| Vendor | Product |
|---|---|
| Meta Platforms |
Patch Status
Patch by 2022-06-13
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2019-18426.