CVE-2025-69235 Security feature bypass in NAVER Whale browser

High 7.5 Published Updated

Attackers can bypass Same-Origin Policy in the sidebar environment of NAVER Whale browser, potentially accessing cross-origin data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-69235?

CVE-2025-69235 is a high-severity vulnerability in NAVER Whale browser, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Whale browser before 4.35.351.12 allows an attacker to bypass the Same-Origin Policy in a sidebar environment.

Weakness: CWE-346

Which versions are affected by CVE-2025-69235?

It affects 1 product.

Products include Navercorp Whale.

How do I fix CVE-2025-69235?

No fix has been published for CVE-2025-69235 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-69235 being exploited?

There is no known exploitation of CVE-2025-69235 in the wild and no public exploit code.

Sources

Also known as GHSA-5x99-r8pc-wjj3.

Is CVE-2025-69235 in your software?

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