{"schemaVersion":3,"id":"CVE-2017-7739","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A reflected Cross-site Scripting (XSS) vulnerability in web proxy disclaimer response web pages in Fortinet FortiOS 5.6.0, 5.4.0 to 5.4.5, 5.2.0 to 5.2.11 allows an unauthenticated attacker to inject arbitrary web script or HTML in the context of the victim's browser via sending a maliciously crafted URL to the victim.","dates":{"published":"2017-11-13T14:00:00.000Z","modified":"2024-10-25T14:10:42.993Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.1,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01076,"percentile":0.64514,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01076},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01293,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01076,"percentile":0.64514}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01293,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01076,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01076,"percentile":0.64514}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"fortinet, inc.","product":"fortios","name":"FortiOS","label":"fortios","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"5.6.0","noFixRecorded":false,"fixedIn":null},{"text":"5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0","noFixRecorded":false,"fixedIn":null},{"text":"5.2.11, 5.2.10, 5.2.9, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.6.0 | 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0 | 5.2.11, 5.2.10, 5.2.9, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0","eol":null,"hubHref":"/vendor/fortinet_inc/fortios"},{"vendor":"fortinet","product":"fortios","name":"FortiOS","label":"fortios","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"5.2.0","noFixRecorded":false,"fixedIn":null},{"text":"5.2.1","noFixRecorded":false,"fixedIn":null},{"text":"5.2.2","noFixRecorded":false,"fixedIn":null},{"text":"5.2.3","noFixRecorded":false,"fixedIn":null},{"text":"5.2.4","noFixRecorded":false,"fixedIn":null},{"text":"5.2.5","noFixRecorded":false,"fixedIn":null},{"text":"5.2.6","noFixRecorded":false,"fixedIn":null},{"text":"5.2.7","noFixRecorded":false,"fixedIn":null},{"text":"5.2.8","noFixRecorded":false,"fixedIn":null},{"text":"5.2.9","noFixRecorded":false,"fixedIn":null},{"text":"5.2.10","noFixRecorded":false,"fixedIn":null},{"text":"5.2.11","noFixRecorded":false,"fixedIn":null},{"text":"5.4.0","noFixRecorded":false,"fixedIn":null},{"text":"5.4.1","noFixRecorded":false,"fixedIn":null},{"text":"5.4.2","noFixRecorded":false,"fixedIn":null},{"text":"5.4.3","noFixRecorded":false,"fixedIn":null},{"text":"5.4.4","noFixRecorded":false,"fixedIn":null},{"text":"5.4.5","noFixRecorded":false,"fixedIn":null},{"text":"5.6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.4 | 5.2.5 | 5.2.6 | 5.2.7 | 5.2.8 | 5.2.9 | 5.2.10 | 5.2.11 | 5.4.0 | 5.4.1 | 5.4.2 | 5.4.3 | 5.4.4 | 5.4.5 | 5.6.0","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"fortios","label":"FortiOS","category":"os"}},"hubHref":"/vendor/fortinet/fortios"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/101679","label":"www.securityfocus.com/bid/101679","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1039741","label":"www.securitytracker.com/id/1039741","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://fortiguard.com/advisory/FG-IR-17-168","label":"fortiguard.com/advisory/FG-IR-17-168","hostname":"fortiguard.com","tags":["X Refsource CONFIRM","Issue Tracking","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-11-13T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-25T14:10:42.993Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":25,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T06:40:42.742Z","stale":false,"partial":false}}