Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf | Aug 22, 2024 | May 26, 2020 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | May 26, 2020 | |
| Mfsa2020 16 | mozilla-firefox-upgrade-76_0 | May 6, 2020 | May 5, 2020 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | May 26, 2020 | |
| Ubuntu | ubuntu-upgrade-firefox | May 8, 2020 | May 7, 2020 |
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