{"id":"CVE-2019-5864","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5864","generatedAt":"2026-10-27T21:16:33.471Z","title":"Insufficient data validation in CORS in Google Chrome prior to 76.0.3809.87 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension.","description":"Insufficient data validation in CORS in Google Chrome prior to 76.0.3809.87 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension.","published":"2019-11-25T15:15:37.000Z","lastModified":"2026-06-17T02:38:21.000Z","status":"Modified","sourceIdentifier":"chrome-cve-admin@google.com","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"},"cwe":["CWE-20","CWE-863"],"affected":["google/chrome"],"epss":{"score":0.00464,"percentile":0.39966,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://chromereleases.googleblog.com/2019/07/stable-channel-update-for-desktop_30.html","source":"chrome-cve-admin@google.com"},{"url":"https://crbug.com/936900","source":"chrome-cve-admin@google.com"},{"url":"https://chromereleases.googleblog.com/2019/07/stable-channel-update-for-desktop_30.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://crbug.com/936900","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5864","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}