{"id":"CVE-2019-16151","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-16151","generatedAt":"2026-10-28T22:42:44.530Z","title":"An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS 6.4.1 and below, 6.2.9 and below may allow a remote unauthenticated attacker to either redirect users to malicious websites via a crafted \"Host\" header or…","description":"An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS 6.4.1 and below, 6.2.9 and below may allow a remote unauthenticated attacker to either redirect users to malicious websites via a crafted \"Host\" header or to execute JavaScript code in the victim's browser context.\r\nThis happens when the FortiGate has web filtering and category override enabled/configured.","published":"2025-03-21T16:15:13.000Z","lastModified":"2026-06-17T02:21:46.000Z","status":"Analyzed","sourceIdentifier":"psirt@fortinet.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["fortinet/fortios"],"epss":{"score":0.00372,"percentile":0.31012,"date":"2026-10-27","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 (0.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://fortiguard.com/advisory/FG-IR-19-301","tags":["Vendor Advisory"],"source":"psirt@fortinet.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-16151","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."}