SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-69234

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

CRITICAL 9.1EPSS 0.28%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.28% probability · 21th percentile
CISA KEV
Not listed
Weakness
CWE-358
Affected
navercorp/whale
Source
cve@navercorp.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.