SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-3965

Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a…

HIGH 9.3EPSS 2.42%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Mozilla Firefox before 15.0 does not properly restrict navigation to the about:newtab page, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers creation of a new tab and then a new window.

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
2.42% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
mozilla/firefox
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.