עברית

Vulnerability Intelligence

CVE-2025-62583

Critical 9.8

Published
Last modified
NVD status
Analyzed

Description

Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.

Affected products

navercorp: whale

References1

Metrics

CVSS 3.1
9.8 CRITICAL Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
1% percentile: 43 · as of 9 November 2026
CWE
CWE-358

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.