The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance during chrome.tabs.create and chrome.tabs.update API calls, which allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted extension that accesses a (1) javascript: or (2) data: URL.
CVSS Details
- CVSS 3.1 Base Score: 5.4
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade libxulUpgrade seamonkeyUpgrade firefoxUpgrade linux-firefoxUpgrade thunderbirdUpgrade linux-thunderbirdUpgrade linux-seamonkeyUpgrade firefox-esr | Dec 10, 2025 | Apr 26, 2016 |
| Gentoo Linux | — | Upgrade www-client/firefox-bin.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox. | Oct 30, 2017 | Apr 30, 2016 |
| Mfsa2016 46 | — | Upgrade to Mozilla Firefox version 46.0 | Apr 27, 2016 | Apr 26, 2016 |
| Suse | — | Upgrade MozillaFirefoxUpgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox-devel | May 4, 2016 | Apr 30, 2016 |
| Ubuntu | — | Upgrade firefox | Apr 30, 2016 | Apr 30, 2016 |
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