CVE-2008-4059: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 5% chance of exploitation in the next 30 days.

The XPConnect component in Mozilla Firefox before 2.0.0.17 allows remote attackers to "pollute XPCNativeWrappers" and execute arbitrary code with chrome privileges via vectors related to a SCRIPT element.

Affected products

• Mozilla Firefox: any version; up to and including 2.0.0.17; version 0.8 only; version 0.9 only; version 0.9.1 only; version 0.9.2 only; …

Published 2008-09-24. Last modified 2026-06-16.