CVE-2007-5334: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 3% chance of exploitation in the next 30 days.

Mozilla Firefox before 2.0.0.8 and SeaMonkey before 1.1.5 can hide the window's titlebar when displaying XUL markup language documents, which makes it easier for remote attackers to conduct phishing and spoofing attacks by setting the hidechrome attribute.

Affected products

• Mozilla Firefox: up to and including 2.0.0.7
• Mozilla Seamonkey: up to and including 1.1.4

Published 2007-10-21. Last modified 2026-06-16.