{"id":"CVE-2019-18426","aliases":[],"url":"https://o3.security/vulnerability/CVE-2019-18426","summary":"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…","details":"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":"2020-01-21T20:30:15.000Z","modified":"2025-10-21T23:35:53.174Z","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N"},"epss":{"score":0.67859,"percentile":0.9928,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":8,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.facebook.com/security/advisories/cve-2019-18426"},{"type":"WEB","url":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2025-10-21T23:35:53.174Z"}}