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CVE-2016-2817

Published: 27 April 2016

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.

Priority

Medium

CVSS 3 base score: 5.4

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (46.0+build5-0ubuntu0.12.04.2)
trusty Does not exist
(trusty was released [46.0+build5-0ubuntu0.14.04.2])
upstream
Released (46.0)
wily
Released (46.0+build5-0ubuntu0.15.10.2)
xenial
Released (46.0+build5-0ubuntu0.16.04.2)
thunderbird
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

wily Not vulnerable

xenial Not vulnerable