CVE-2016-2817

The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance…

published April 30, 2016

CVSS
—
EPSS
1%
Percentile
69.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01252 · 69.0th percentile
Published
2016-04-30T17:00Z
EPSS history
Timeline
  • 30 APR 17:00Z
    The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance…
    cvelistv5