{"id":"CVE-2017-7770","aliases":["EUVD-2017-16745","GHSA-phqm-287h-4733"],"status":"published","title":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then...","description":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox \u003c 54.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0111,"percentile":0.6613,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-06-11T21:00:00Z","modified":"2026-06-17T01:25:09Z","products":[{"vendor":"mozilla","product":"firefox"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1317242","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2017-15/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1038689","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/99049","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7770"},{"url":"https://github.com/advisories/GHSA-phqm-287h-4733"}],"sources":{"cve":[{"id":"CVE-2017-7770","description":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox \u003c 54.","status":"published","published":"2018-06-11T21:00:00Z","modified":"2024-08-05T16:12:28.384Z","updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16745","description":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox \u003c 54.","status":"published","published":"2018-06-11T21:00:00Z","modified":"2024-08-05T16:12:28Z","updated_at":"2026-11-03T02:39:07.559484Z"}],"ghsa":[{"id":"GHSA-phqm-287h-4733","title":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then...","description":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox \u003c 54.","status":"published","published":"2022-05-14T03:08:12Z","modified":"2023-02-02T05:06:57Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:24.271651Z"}],"nvd":[{"id":"CVE-2017-7770","description":"A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox \u003c 54.","status":"published","published":"2018-06-11T21:29:08.687Z","modified":"2026-06-17T01:25:09.653Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:18.679411Z"}]}}