CVE-2009-4130: Mozilla Firefox

Medium severity, CVSS 5.8. EPSS: 1% chance of exploitation in the next 30 days.

Visual truncation vulnerability in the MakeScriptDialogTitle function in nsGlobalWindow.cpp in Mozilla Firefox allows remote attackers to spoof the origin domain name of a script via a long name.

Affected products

• Mozilla Firefox: any version

Published 2009-12-14. Last modified 2026-06-16.