VDB-271139 · CVE-2024-40618 · GCVE-0-2024-40618

NAVER Whale Browser 1.10.6.2/3.0.1.2 Built-in Extension cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in NAVER Whale Browser. Affected by this vulnerability is an unknown functionality of the component Built-in Extension. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2024-40618. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in NAVER Whale Browser and classified as critical. This issue affects an unknown functionality of the component Built-in Extension. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Whale browser before 3.26.244.21 allows an attacker to execute malicious JavaScript due to improper sanitization when processing a built-in extension.

The weakness was shared by James Dean. It is possible to read the advisory at cve.naver.com. The identification of this vulnerability is CVE-2024-40618 since 07/08/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 3.26.244.21 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

NAVER

Name

Whale Browser

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

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

CNA Base Score: 9.6
CNA Vector (naver): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Whale Browser 3.26.244.21

Timelineinfo

07/08/2024 🔍
07/11/2024 +3 days 🔍
07/11/2024 +0 days 🔍
03/19/2025 +251 days 🔍

Sourcesinfo

Advisory: cve.naver.com
Researcher: James Dean
Status: Confirmed

CVE: CVE-2024-40618 (🔍)
GCVE (CVE): GCVE-0-2024-40618
GCVE (VulDB): GCVE-100-271139

Entryinfo

Created: 07/11/2024 08:17
Updated: 03/19/2025 09:23
Changes: 07/11/2024 08:17 (23), 07/11/2024 08:18 (33), 07/11/2024 14:38 (2), 07/13/2024 03:53 (11), 03/19/2025 09:23 (3)
Complete: 🔍
Cache ID: 216::103