CVE-2016-2817 PUBLISHED

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.

EPSS 0.40% · 60.4th percentile

Risk Scores

EPSS Score
0.40%
60.4th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSfirefox0, 41.0.2+build2-0ubuntu1, 42.0+build2-0ubuntu1
Ubuntu:14.04:LTSfirefox31.0+build1-0ubuntu0.14.04.1, 32.0+build1-0ubuntu0.14.04.1, 32.0.3+build1-0ubuntu0.14.04.1

Timeline

References

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