Vulnerability Details : 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 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.
Published 2016-04-30 17:59:15
Updated 2017-07-01 01:29:41
Source Mozilla Corporation
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2016-2817

Exploit prediction scoring system (EPSS) score for CVE-2016-2817

EPSS FAQ
0.68%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-2817

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
 NIST
5.4
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
2.8
2.5
 NIST

CWE ids for CVE-2016-2817

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-2817

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