NAVER Whale Browser up to 4.33.325.17 Sidebar Environment origin validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in NAVER Whale Browser. This issue affects some unknown processing of the component Sidebar Environment. Executing a manipulation can lead to origin validation. This vulnerability is handled as CVE-2025-69235. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in NAVER Whale Browser. This vulnerability affects an unknown function of the component Sidebar Environment. The manipulation with an unknown input leads to a origin validation vulnerability. The CWE definition for the vulnerability is CWE-346. The product does not properly verify that the source of data or communication is valid. As an impact it is known to affect integrity. CVE summarizes:

Whale browser before 4.35.351.12 allows an attacker to bypass the Same-Origin Policy in a sidebar environment.

The weakness was released by Mingi Jung. The advisory is shared for download at cve.naver.com. This vulnerability was named CVE-2025-69235 since 12/30/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.35.351.12 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-5483) and EUVD (EUVD-2025-205678). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Whale Browser 4.35.351.12

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days CVE reserved
12/30/2025 +0 days VulDB entry created
01/03/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: cve.naver.com
Researcher: Mingi Jung
Status: Confirmed

CVE: CVE-2025-69235 (🔒)
GCVE (CVE): GCVE-0-2025-69235
GCVE (VulDB): GCVE-100-338716
EUVD: 🔒
CNNVD: CNNVD-202512-5483 - Naver Whale Browser 安全漏洞

Entryinfo

Created: 12/30/2025 03:42
Updated: 01/03/2026 14:46
Changes: 12/30/2025 03:42 (55), 12/30/2025 04:36 (1), 12/31/2025 15:18 (6), 01/01/2026 20:21 (1), 01/02/2026 20:54 (1), 01/03/2026 14:46 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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