A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.
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 | alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf | Aug 22, 2024 | Jun 24, 2021 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 24, 2021 | |
| Mfsa2021 16 | mozilla-firefox-upgrade-88_0 | Apr 20, 2021 | Apr 19, 2021 | |
| Ubuntu | ubuntu-upgrade-firefox | Apr 27, 2021 | Apr 26, 2021 |
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