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 | — | Upgrade firefoxUpgrade librewolf | Aug 22, 2024 | May 26, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 26, 2020 |
| Mfsa2020 16 | — | Upgrade to Mozilla Firefox version 76.0 | May 6, 2020 | May 5, 2020 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 26, 2020 |
| Ubuntu | — | Upgrade firefox | May 8, 2020 | May 7, 2020 |
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