{"id":"CVE-2019-18426","aliases":["EUVD-2019-8195","GHSA-x67c-8vp2-26mr"],"status":"published","title":"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for...","description":"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.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.68082,"percentile":0.99333,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2020-01-21T20:30:15Z","modified":"2026-06-17T02:25:01Z","kev":{"date_added":"2022-05-23","due_date":"2022-06-13","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-05-23"},{"source":"kev","since":"2022-05-23"}],"exploits":[{"source":"pocgithub","id":"HumanSecurity/CVE-2019-18426","title":"HumanSecurity/CVE-2019-18426","date":"2020-02-29","url":"https://github.com/HumanSecurity/CVE-2019-18426"},{"source":"exploitdb","id":"EDB-48295","title":"WhatsApp Desktop 0.3.9308 - Persistent Cross-Site Scripting","type":"webapps","platform":"multiple","date":"2020-04-06","url":"https://www.exploit-db.com/exploits/48295"}],"products":[{"vendor":"facebook","product":"whatsapp desktop"},{"vendor":"meta platforms","product":"whatsapp"},{"vendor":"whatsapp","product":"whatsapp"}],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2019-18426","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/157097/WhatsApp-Desktop-0.3.9308-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18426","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18426"},{"url":"https://github.com/advisories/GHSA-x67c-8vp2-26mr"}],"sources":{"cve":[{"id":"CVE-2019-18426","description":"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.","status":"published","published":"2020-01-21T20:30:15Z","modified":"2025-10-21T23:35:53.174Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8195","description":"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.","status":"published","published":"2020-01-21T20:30:15Z","modified":"2025-10-21T23:35:53Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"exploited_since":"2022-05-23","updated_at":"2026-11-02T20:31:24.816637Z"}],"ghsa":[{"id":"GHSA-x67c-8vp2-26mr","title":"A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for...","description":"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.","status":"published","published":"2022-05-24T17:07:01Z","modified":"2025-10-22T00:31:50Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2019-18426","title":"WhatsApp Cross-Site Scripting Vulnerability","description":"A vulnerability in WhatsApp Desktop when paired with WhatsApp for iPhone allows cross-site scripting and local file reading.","cwes":["CWE-79"],"kev":{"date_added":"2022-05-23","due_date":"2022-06-13","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2019-18426","description":"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.","status":"published","published":"2020-01-21T21:15:16.147Z","modified":"2026-06-17T02:25:01.227Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:42.416368Z"}]}}
