CVE-2017-7770

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 < 54.

• CWE-20

• http://www.securityfocus.com/bid/99049Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1317242Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
• http://www.securityfocus.com/bid/99049Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1317242Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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