CVE-2016-2817
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Mozilla Firefox
PublishedApr 30, 2016
First seenApr 30, 2016
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v ≤ 45.0.2 | — |
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