CVE-2016-2820

4.3 MEDIUM
Published: April 30, 2016 Modified: May 06, 2026
View on NVD

Description

The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.

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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:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-48.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
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2016/mfsa2016-48.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=870870
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
4.3 / 10.0
EPSS (Exploit Probability)
0.4%
62th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mozilla