NAVER Whale browser up to 4.33.325.17 iFrame Sandbox security check

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in NAVER Whale browser and classified as problematic. This affects an unknown function of the component iFrame Sandbox Handler. Such manipulation leads to security check. This vulnerability is referenced as CVE-2025-69234. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in NAVER Whale browser and classified as problematic. Affected by this issue is an unknown code of the component iFrame Sandbox Handler. The manipulation with an unknown input leads to a security check vulnerability. Using CWE to declare the problem leads to CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. Impacted is integrity. CVE summarizes:

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

The weakness was published by Mingi Jung. The advisory is shared for download at cve.naver.com. This vulnerability is handled as CVE-2025-69234 since 12/30/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

Upgrading to version 4.35.351.12 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-5484) and EUVD (EUVD-2025-205677). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Security check
CWE: CWE-358
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-2025-69234 (🔒)
GCVE (CVE): GCVE-0-2025-69234
GCVE (VulDB): GCVE-100-338720
EUVD: 🔒
CNNVD: CNNVD-202512-5484 - 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 15:57 (1), 01/03/2026 14:46 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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