CVE-2012-4209: n/a vulnerability

CVE-2012-4209: Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x...

Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 do not prevent use of a "top" frame name-attribute value to access the location property, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via vectors involving a binary plugin.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 20:28 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Mozilla client-side browser and mail vulnerability that could make cross-site scripting easier when a binary plugin is involved. The main business risk is legacy exposure: users running very old Firefox, Thunderbird, or SeaMonkey versions may be exposed to web or content-based script abuse. Exposure is likely limited to legacy endpoints running the listed pre-fixed Mozilla versions, particularly where binary plugins remain enabled. Organizations with current managed browsers and mail clients are unlikely to be affected based on the provided version ranges. Handle as a legacy remediation item, not an emergency, unless affected old clients are still present. If they exist, prioritize upgrade or removal because the issue involves remote XSS exposure in user-facing software. Mitigation focus: Upgrade Firefox, Thunderbird, and SeaMonkey to versions at or above the fixed thresholds.; Inventory endpoints for legacy Firefox ESR 10.x, Thunderbird ESR 10.x, and SeaMonkey installs.; Review Mozilla and operating-system vendor advisories for exact platform package updates..

Prepared: Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 21, 2012, 11:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.mozilla.org/show_bug.cgi?id=792405CVE reference · x_refsource_CONFIRM
firefox-toplocation-xss(80181)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:16880CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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