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CVE-2025-69234

Navercorp Whale vulnerability

9.1 CRITICALEPSS 0.29%
  1. Published30 Dec 2025

Description

Whale browser before 4.35.351.12 allows an attacker to escape the iframe sandbox in a sidebar environment.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Navercorp Whale< 4.35.351.12

Remediation

Fixed in
Navercorp Whale≥ 4.35.351.12

References

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Frequently asked

Is CVE-2025-69234 being actively exploited?

CVE-2025-69234 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.29%.

How severe is CVE-2025-69234?

CVE-2025-69234 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.29% probability of exploitation.

Which products are affected by CVE-2025-69234?

Affected products include Navercorp Whale.

How do I fix CVE-2025-69234?

Upgrade affected software to a fixed version, for example Navercorp Whale 4.35.351.12 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-69234 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.