CVE-2016-2817

Mozilla: Elevation of privilege with chrome.tabs.update API in web extensions (MFSA 2016-46)

Published Apr 30, 2016 CVSS 3.0 · 5.4 Medium EPSS 1.3% KEV · Not listed
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.

Analysis

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Remediation

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Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2016-3890 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.
Ubuntu USN Ubuntu USN USN-2936-1 Firefox vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 5, 2024, 11:32 PM
Reserved
Mar 1, 2016, 12:00 AM
Status
Modified
Published
Apr 30, 2016, 5:59 PM
Modified
Jun 17, 2026, 12:44 AM
Severity
Moderate
Public date
Apr 26, 2016, 12:00 AM