CVE-2012-3984

6.8 MEDIUM 2% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 2.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-10-10 17:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:44 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.2% in the next 30 days (EPSS).
Severity: 6.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-10-10 17:55 UTC
Last modified: 2026-06-16 23:44 UTC
Exploit probability: 2.2% · EPSS, next 30 days
Record status: Modified

Affected

Mozilla Firefox < 16.0
Mozilla Seamonkey < 2.13
Mozilla Thunderbird < 16.0
Canonical Ubuntu Linux 10.04
Canonical Ubuntu Linux 11.04
Canonical Ubuntu Linux 11.10
Canonical Ubuntu Linux 12.04
Suse Linux Enterprise Desktop 10

Attack profile CVSS 2.0 · 6.8

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-3984.md and follow it. Check whether this project is affected by CVE-2012-3984. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record