WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Feb 28, 2019 |
| Freebsd | — | Upgrade waterfoxUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade firefox-esrUpgrade linux-firefoxUpgrade seamonkeyUpgrade thunderbirdUpgrade firefoxUpgrade libxul | Dec 12, 2018 | Dec 11, 2018 |
| Mfsa2018 29 | — | Upgrade to Mozilla Firefox version 64.0Upgrade to the latest version of Mozilla Firefox | Dec 12, 2018 | Dec 11, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 28, 2019 |
| Ubuntu | — | Upgrade firefox | Jan 10, 2019 | Dec 11, 2018 |
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