CVE-2025-62584: Navercorp Whale

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Whale browser before 4.33.325.17 allows an attacker to bypass the Same-Origin Policy in a dual-tab environment.

Affected products

• Navercorp Whale: before 4.33.325.17 (fixed in 4.33.325.17)

Published 2025-10-16. Last modified 2026-10-08.