CVE-2024-8399: Mozilla Firefox Focus

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Websites could utilize Javascript links to spoof URL addresses in the Focus navigation bar This vulnerability affects Focus for iOS < 130.

Affected products

• Mozilla Firefox Focus: before 130.0 (fixed in 130.0)

Published 2024-09-03. Last modified 2026-06-17.