CVE-2025-62583

Name: CVE-2025-62583
Creator: NVD / NIST
Published: 2025-10-16T07:15:33.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2025-62583 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

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

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

0.46%

36.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-358

Affected Software

Vendor	Product	Versions
Navercorp	Whale	< 4.33.325.17

References

https://cve.naver.com/detail/cve-2025-62583.htmlVendor Advisory

Timeline

Published: Oct 16, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

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.

How severe is CVE-2025-62583?

CVE-2025-62583 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2025-62583?

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-2025-62583?

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

Scan your code now

Source: NVD / NIST