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CVE-2016-2822

21
FAUCET Score

CVE-2016-2822 describes a medium-severity vulnerability affecting Mozilla Firefox versions prior to 47.0 and Firefox ESR 45.x before 45.2, as well as various Linux distributions. This flaw allows remote attackers to spoof the address bar through a specific manipulation of a SELECT element with a persistent menu. The attack requires user interaction, has low complexity, and could lead to high integrity impact, though confidentiality and availability are not affected. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
45.1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:*
45.1.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:*
<= 46.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.03%
Probability of exploitation in next 30 days
EPSS Percentile
79.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0203 is in the 90th percentile among its peer group of 26,209 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:45.2.0-1.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:45.2.0-1.el6_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:45.2.0-1.el7_2
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2016-2822Moderate

Mozilla: Addressbar spoofing though the SELECT element (MFSA 2016-52)

Jun 8, 2016

References

lists.opensuse.org / opensuse-security-announce/2016-06/msg00014.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00016.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00055.html
access.redhat.com / errata/RHSA-2016:1217
bugzilla.mozilla.org / show_bug.cgi
debian.org / security/2016/dsa-3600
mozilla.org / security/announce/2016/mfsa2016-52.html
Vendor Advisory
oracle.com / technetwork/topics/security/linuxbulletinapr2016-2952096.html
securityfocus.com / bid/91075
securitytracker.com / id/1036057
ubuntu.com / usn/USN-2993-1