CVE-2019-18426

high-risk
Published 2020-01-21

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.

Do I need to act?

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55.3% chance of exploitation in next 30 days
EPSS score — higher than 45% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
48295
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.2/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Whatsapp

References (5)

Exploit http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site...
Vendor Advisory https://www.facebook.com/security/advisories/cve-2019-18426
Exploit http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site...
Vendor Advisory https://www.facebook.com/security/advisories/cve-2019-18426
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-...
60
/ 100
high-risk
Severity 28/34 · Critical
Exploitability 25/34 · High
Exposure 7/34 · Low