CVE-2025-62583

CRITICAL
Published Oct 16, 2025 Modified Oct 21, 2025 CWE-358

Description

Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-358 CWE-358

Affected Products

Vendor Product
navercorp whale

References

Frequently Asked Questions

What is CVE-2025-62583? +
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-62583? +
CVE-2025-62583 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-62583? +
CVE-2025-62583 affects products from navercorp, specifically: whale. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-62583? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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