A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
CVSS Details
- CVSS 3.1 Base Score: 7.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | alpine-linux-upgrade-firefox-esr | Apr 16, 2019 | Feb 28, 2019 |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Feb 28, 2019 | |
| Centos_linux | — | centos-upgrade-firefoxcentos-upgrade-firefox-debuginfo | Oct 27, 2018 | Oct 23, 2018 |
| Debian | debian-upgrade-firefox-esr | Oct 25, 2018 | Oct 23, 2018 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-waterfoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbird | Oct 24, 2018 | Oct 23, 2018 | |
| Gentoo Linux | gentoo-linux-upgrade-www-client-firefoxgentoo-linux-upgrade-www-client-firefox-bin | Nov 9, 2018 | Nov 9, 2018 | |
| Mfsa2018 26 | mozilla-firefox-upgrade-63_0 | Oct 24, 2018 | Oct 23, 2018 | |
| Mfsa2018 27 | mozilla-firefox-esr-upgrade-60_3 | Oct 24, 2018 | Oct 23, 2018 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-mail-thunderbird-68-6-0-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-mail-thunderbird-plugin-thunderbird-lightning-68-6-0-11-4-21-0-1-69-0oracle-solaris-11-4-upgrade-web-browser-firefox-60-5-0-11-4-6-0-1-4-0oracle-solaris-11-4-upgrade-web-data-firefox-bookmarks-60-5-0-11-4-6-0-1-4-0 | Feb 20, 2019 | Feb 20, 2019 | |
| Oracle_linux | — | oracle-linux-upgrade-firefox | Nov 2, 2018 | Oct 23, 2018 |
| Redhat_linux | — | redhat-upgrade-firefoxredhat-upgrade-firefox-debuginfo | Oct 25, 2018 | Oct 24, 2018 |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-branding-upstreamsuse-upgrade-mozillafirefox-buildsymbolssuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-other | Oct 26, 2018 | Oct 23, 2018 |
| Ubuntu | ubuntu-upgrade-firefox | Nov 7, 2018 | Oct 23, 2018 |
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