CVE-2025-53600: Navercorp Whale

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

Whale browser before 4.32.315.22 allow an attacker to bypass the Same-Origin Policy in a dual-tab environment.

Affected products

• Navercorp Whale: before 4.32.315.22 (fixed in 4.32.315.22)

Published 2025-07-04. Last modified 2026-06-17.