What is CVE-2025-53600?

CVE-2025-53600 is a high-severity vulnerability in Naver Whale Browser, classified under Origin Validation Error. CVSS score: 7.5/10. Published 2025-07-04.

How severe is CVE-2025-53600?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Naver Whale Browser

CVE-2025-53600

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

EPSS: 0.002 (5.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Naver Whale Browser — versions 4.32.315.22
Navercorp Whale

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

cve@navercorp.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-53600?: CVE-2025-53600 is a high-severity vulnerability in Naver Whale Browser, classified under Origin Validation Error. CVSS score: 7.5/10. Published 2025-07-04.
How severe is CVE-2025-53600?: High severity. CVSS v3 base score is 7.5 out of 10.