CVE-2012-3984

CVE-2012-3984 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly handle navigation away from a web page that has a SELECT element's menu active, which allows remote attackers to spoof page content via vectors involving absolute positioning and scrolling.

Frequently asked questions

What is CVE-2012-3984?
Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly handle navigation away from a web page that has a SELECT element's menu active, which allows remote attackers to spoof page content via vectors involving absolute positioning and scrolling.
How severe is CVE-2012-3984?
CVE-2012-3984 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2012-3984 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3984?
CVE-2012-3984 primarily affects Mozilla Firefox. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3984?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3984 published?
CVE-2012-3984 was published on 2012-10-10 and last updated on 2026-06-16.

References

Affected products (12)

More vulnerabilities in Mozilla Firefox

All CVEs affecting Mozilla Firefox →