CVE-2005-0527: Mozilla Firefox

Medium severity, CVSS 5.1. EPSS: 7.3% chance of exploitation in the next 30 days.

Firefox 1.0 allows remote attackers to execute arbitrary code via plugins that load "privileged content" into frames, as demonstrated using certain XUL events when a user drags a scrollbar two times, aka "Firescrolling."

Affected products

Published 2005-05-02. Last modified 2026-06-16.