{"id":"CVE-2017-5415","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-5415","generatedAt":"2026-10-29T00:47:30.256Z","title":"An attack can use a blob URL and script to spoof an arbitrary addressbar URL prefaced by \"blob:\" as the protocol, leading to user confusion and further spoofing attacks.","description":"An attack can use a blob URL and script to spoof an arbitrary addressbar URL prefaced by \"blob:\" as the protocol, leading to user confusion and further spoofing attacks. This vulnerability affects Firefox < 52.","published":"2018-06-11T21:29:05.000Z","lastModified":"2026-06-17T01:20:27.000Z","status":"Modified","sourceIdentifier":"security@mozilla.org","cvss":{"version":"3.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-20"],"affected":["mozilla/firefox"],"epss":{"score":0.12342,"percentile":0.96176,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-04-14","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44266,"kind":"exploit","title":"Mozilla Firefox - Address Bar Spoofing","url":"https://www.exploit-db.com/exploits/44266","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/local/44266.html","file":"exploits/multiple/local/44266.html","published":"2017-04-14","added":"2018-03-09","updated":"2018-03-09","author":"649","type":"local","platform":"multiple","port":null,"verified":false,"codes":["CVE-2017-5415"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/649/CVE-2017-5415/tree/209b7ae6882a18ae51b1222a68c040a3bc9a8bc5"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 12.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/96692","tags":["Third Party Advisory","VDB Entry"],"source":"security@mozilla.org"},{"url":"http://www.securitytracker.com/id/1037966","tags":["Third Party Advisory","VDB Entry"],"source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1321719","tags":["Exploit","Issue Tracking","Patch"],"source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-05/","tags":["Vendor Advisory"],"source":"security@mozilla.org"},{"url":"http://www.securityfocus.com/bid/96692","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037966","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1321719","tags":["Exploit","Issue Tracking","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-05/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-5415","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."}