CVE-2006-6507: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Mozilla Firefox 2.0 before 2.0.0.1 allows remote attackers to bypass Cross-Site Scripting (XSS) protection via vectors related to a Function.prototype regression error.

Affected products

• Mozilla Firefox: version 2.0 only

Published 2006-12-20. Last modified 2026-06-16.