CVE-2020-15665

Firefox did not reset the address bar after the beforeunload dialog was shown if the user chose to remain on the page. This could have resulted in an incorrect URL being shown when used in conjunction with other unexpected browser behaviors. This vulnerability affects Firefox < 80.

• https://bugzilla.mozilla.org/show_bug.cgi?id=1651636Exploit, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-36/Release Notes, Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=1651636Exploit, Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2020-36/Release Notes, Vendor Advisory

Published

Oct 1, 2020

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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