CVE-2006-1740: Mozilla Firefox

Low severity, CVSS 2.6. EPSS: 2.5% chance of exploitation in the next 30 days.

Mozilla Firefox 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to spoof secure site indicators such as the locked icon by opening the trusted site in a popup window, then changing the location to a malicious site.

Affected products

• Mozilla Firefox: up to and including 1.0.7; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• Mozilla Mozilla Suite: up to and including 1.7.12; version 1.7.6 only; version 1.7.7 only; version 1.7.8 only; version 1.7.10 only; version 1.7.11 only
• Mozilla Seamonkey: up to and including 1.0; version 1.0 only
• Mozilla Thunderbird: up to and including 1.0.7; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …

Published 2006-04-14. Last modified 2026-06-16.