CVE-2019-18426
WhatsApp Cross-Site Scripting Vulnerability
n/a
CVSS
67.9%
EPSS (exploit prob.)
99.2%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2022-05-23
Added
Summary
A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.
Affected software
Vendor: Meta Platforms · Product: WhatsApp
Weakness types (CWE):
CWE-79
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Meta Platforms
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-3568 | WhatsApp VOIP Stack Buffer Overflow Vulnerability | 39.2% | Yes |
| CVE-2025-55177 | Meta Platforms WhatsApp Incorrect Authorization Vulnerability | 4.1% | Yes |
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