CVE-2016-2817

5.4 MEDIUM
Published: April 30, 2016 Modified: May 06, 2026
View on 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
Source: security@mozilla.org
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
Source: security@mozilla.org
http://www.mozilla.org/security/announce/2016/mfsa2016-46.html
Source: security@mozilla.org
Vendor Advisory
http://www.securitytracker.com/id/1035692
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-2936-1
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-2936-2
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-2936-3
Source: security@mozilla.org
https://bugzilla.mozilla.org/show_bug.cgi?id=1227462
Source: security@mozilla.org
https://security.gentoo.org/glsa/201701-15
Source: security@mozilla.org
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2016/mfsa2016-46.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securitytracker.com/id/1035692
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2936-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2936-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2936-3
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.mozilla.org/show_bug.cgi?id=1227462
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201701-15
Source: af854a3a-2127-422b-91ae-364da2661108

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.4 / 10.0
EPSS (Exploit Probability)
0.4%
61th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

mozilla

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