CVE-2025-69234

CRITICAL

Whale < 4.35.351.12 - Sandbox Escape via Sidebar Iframe

Title source: llm

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

Core 1

Core References

Vendor Advisory vendor-advisory

CVSS v3 9.1

EPSS 0.0025

EPSS Percentile 16.0%

Attack Vector NETWORK

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

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

CWE

CWE-358

Status published

Products (1)

navercorp/whale < 4.35.351.12

Published Dec 30, 2025

Tracked Since Feb 18, 2026