CVE-2025-53599

CRITICAL

Published Jul 4, 2025 Modified Oct 1, 2025 CWE-79

Description

Whale browser for iOS before 3.9.1.4206 allow an attacker to execute malicious scripts in the browser via a crafted javascript scheme.

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-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
navercorp	whale	< 3.9.1.4206

References

Advisories & Patches

https://cve.naver.com/detail/cve-2025-53599.html

Frequently Asked Questions

What is CVE-2025-53599? +

Whale browser for iOS before 3.9.1.4206 allow an attacker to execute malicious scripts in the browser via a crafted javascript scheme. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-53599? +

CVE-2025-53599 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-2025-53599? +

CVE-2025-53599 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-2025-53599? +

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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