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Case File

CVE-2016-2817

MEDIUM · CVSS 5.4 EPSS 1.25%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-04-30 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE
CVE-2016-2817
Severity
MEDIUM
CVSS
5.4
EPSS
1.25%
Chrome Firefox Java

Original Filing — NVD 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.