A "data:" URL loaded in a new tab did not inherit the Content Security Policy (CSP) of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potential cross-site scripting (XSS) attacks. This vulnerability affects Firefox < 57.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 11, 2018 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-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 | Nov 14, 2017 | Nov 14, 2017 | |
| Mfsa2017 24 | mozilla-firefox-upgrade-57_0 | Nov 15, 2017 | Nov 14, 2017 | |
| Suse | — | suse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-other | May 20, 2018 | Nov 14, 2017 |
| Ubuntu | ubuntu-upgrade-firefox | Nov 16, 2017 | Nov 14, 2017 |
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