CVE-2025-53599

Name: CVE-2025-53599
Creator: NVD / NIST
Published: 2025-07-04T08:15:25.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2025-53599 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Whale browser for iOS before 3.9.1.4206 allow an attacker to execute malicious scripts in the browser via a crafted javascript scheme.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.38%

29.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Navercorp	Whale	< 3.9.1.4206

References

https://cve.naver.com/detail/cve-2025-53599.htmlVendor Advisory

Timeline

Published: Jul 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

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.

How severe is CVE-2025-53599?

CVE-2025-53599 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53599?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53599?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST