Same-Origin Policy Bypass Vulnerability in Whale Browser
CVE-2025-62584

7.5HIGH

Key Information:

Vendor

Naver

Status
Naver Whale Browser
Vendor
CVE Published:
16 October 2025

What is CVE-2025-62584?

A vulnerability in Whale browser allows attackers to bypass the Same-Origin Policy in a dual-tab environment. This flaw can enable unauthorized access to potentially sensitive data by leveraging the browser's functionalities in a way that exposes users to risks they might not be aware of. Users are advised to update to the latest version to mitigate this vulnerability and protect their information.

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Affected Version(s)

NAVER Whale browser 4.33.325.17

References

https://cve.naver.com/detail/cve-2025-62584.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mingi Jung, mingijung.grape@gmail.com, Ulsan National Institute of Science and Technology-Web Sec Lab
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