CVE-2019-18426

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.

  • Published Jan 21, 2020
  • CVSS 8.2 high
  • 67.9% chance of exploitation in the next 30 days (EPSS)
  • In CISA's Known Exploited Vulnerabilities catalog
  • Public exploit code is available
  • A fix is available

Affected software

CVE-2019-18426 at the National Vulnerability Database