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.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade librewolfUpgrade firefox | Aug 22, 2024 | Oct 1, 2020 |
| Mfsa2020 36 | — | Upgrade to Mozilla Firefox version 80.0 | Aug 26, 2020 | Aug 25, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 1, 2020 |
| Ubuntu | — | Upgrade firefox | Aug 27, 2020 | Aug 26, 2020 |
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