PT-2025-53835 · Unknown · Whale Browser

Mingi Jung · Published 2025-12-30 · Updated 2026-01-04 · CVE-2025-69235

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Whale browser versions prior to 4.35.351.12

Description A flaw exists in Whale browser that allows an attacker to circumvent the Same-Origin Policy within a sidebar environment. This bypass could potentially allow unauthorized access to data or functionality.

Recommendations Update Whale browser to version 4.35.351.12 or later.

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2025-69235

Affected Products

Whale Browser

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-69235 · Security Note
• https://cve.naver.com/detail/cve-2025-69235.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-69235 · Vendor Advisory
• https://t.me/cveNotify/147366 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2005864756998004932 · Twitter Post
• https://t.me/CVEtracker/40907 · Telegram Post
• https://twitter.com/cracbot/status/2007769023912771980 · Twitter Post
• https://t.me/cveNotify/147100 · Telegram Post