SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-2832

Mozilla Firefox before 47.0 allows remote attackers to discover the list of disabled plugins via a fingerprinting attack involving Cascading Style Sheets (CSS) pseudo-classes.

MEDIUM 4.3EPSS 1.49%

Does this matter?

Lower severity and a low EPSS score (1.49%). Track it; it rarely justifies an emergency change on its own.

Description

Mozilla Firefox before 47.0 allows remote attackers to discover the list of disabled plugins via a fingerprinting attack involving Cascading Style Sheets (CSS) pseudo-classes.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
1.49% probability · 74th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
canonical/ubuntu linux · mozilla/firefox · opensuse/leap · opensuse/opensuse
Source
security@mozilla.org
EPSS trend
0%3%5%26 October 2026: 1.49%26 October 202626 October 2026

EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.