CVE-2025-6554

8.1

HIGH CVSS 3.1

Google Chromium V8 Type Confusion Vulnerability - [Actively Exploited]

Description

Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

INFO

Published Date :

June 30, 2025, 10:15 p.m.

Last Modified :

Oct. 24, 2025, 2:11 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]

CISA Notification

CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Due Date: Jul 23, 2025

Alert Date: Jul 02, 2025 | 173 days ago

Description :

Google Chromium V8 contains a type confusion vulnerability that could allow a remote attacker to perform arbitrary read/write via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html?m=1 ; https://nvd.nist.gov/vuln/detail/CVE-2025-6554

Affected Products

The following products are affected by CVE-2025-6554 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID	Vendor	Product
1	Microsoft	windows
2	Microsoft	edge_chromium
1	Linux	linux_kernel
1	Google	chrome
1	Apple	macos

: Total Affected Vendor : 4 | Products : 5

CVSS Scores

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Score	Version	Severity	Vector	Exploitability Score	Impact Score	Source
	CVSS 3.1	HIGH				134c704f-9b21-4f2e-91b3-4a467353bcc0

Solution

Update Google Chrome to patch a type confusion vulnerability in V8.

Update Google Chrome to version 138.0.7204.96.
Apply relevant security patches for V8.

Public PoC/Exploit Available at Github

CVE-2025-6554 has a 23 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6554.

URL	Resource
https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html	Vendor Advisory
https://issues.chromium.org/issues/427663123	Permissions Required
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554	US Government Resource

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6554 is associated with the following CWEs:

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-6554 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

aklnjakln/CVE-2025-6554

None

JavaScript

Updated: 3 weeks, 3 days ago

21 stars 1 fork 1 watcher

Born at : Nov. 25, 2025, 7:03 a.m. This repo has been linked 1 different CVEs too.

Muhammednihalmp/Google-chrome-zero-day

CVE-2025-6554

Updated: 1 month, 1 week ago

4 stars 1 fork 1 watcher

Born at : Nov. 9, 2025, 12:53 p.m. This repo has been linked 1 different CVEs too.

jopraveen/CVE-2025-6554

poc for CVE-2025-6554

JavaScript

Updated: 2 months, 1 week ago

4 stars 0 fork 0 watcher

Born at : Oct. 14, 2025, 7:29 a.m. This repo has been linked 1 different CVEs too.

mistymntncop/CVE-2025-6554

None

JavaScript

Updated: 2 months, 1 week ago

31 stars 4 fork 4 watcher

Born at : Oct. 5, 2025, 2:01 a.m. This repo has been linked 1 different CVEs too.

juccoblak/CVE-2025-6554

🔍 Demonstrate and validate the `addressof` and `fakeobj` primitives in the V8 sandbox for advanced security research on CVE-2025-6554.

cve-2025-6554 cybersecurity-research exploit-development incident-response network-security open-source-security patch-management penetration-testing risk-assessment secure-coding security-vulnerability software-security system-hardening threat-intelligence vulnerability-management

JavaScript

Updated: 1 day, 2 hours ago

0 stars 0 fork 0 watcher

Born at : Aug. 10, 2025, 9:07 p.m. This repo has been linked 1 different CVEs too.

9Insomnie/CVE-2025-6554

CVE-2025-6554 漏洞概念验证

JavaScript HTML

Updated: 5 months ago

2 stars 1 fork 1 watcher

Born at : July 10, 2025, 3:56 a.m. This repo has been linked 1 different CVEs too.

ghostn4444/POC-CVE-2025-6554

None

JavaScript

Updated: 5 months ago

1 stars 1 fork 1 watcher

Born at : July 9, 2025, 4:20 a.m. This repo has been linked 1 different CVEs too.

PwnToday/CVE-2025-6554

None

JavaScript

Updated: 3 months, 3 weeks ago

0 stars 0 fork 0 watcher

Born at : July 7, 2025, 9:10 a.m. This repo has been linked 1 different CVEs too.

gmh5225/CVE-2025-6554-2

None

HTML

Updated: 5 months ago

2 stars 0 fork 0 watcher

Born at : July 5, 2025, 4:10 a.m. This repo has been linked 1 different CVEs too.

PwnToday/CVE-2025-6554

None

HTML

Updated: 5 months, 2 weeks ago

0 stars 0 fork 0 watcher

Born at : July 4, 2025, 6:30 p.m. This repo has been linked 1 different CVEs too.

windz3r0day/CVE-2025-6554

None

JavaScript Shell

Updated: 5 months ago

5 stars 2 fork 2 watcher

Born at : July 4, 2025, 11:42 a.m. This repo has been linked 1 different CVEs too.

rbaicba/CVE-2025-6554

None

Updated: 5 months, 2 weeks ago

0 stars 2 fork 2 watcher

Born at : July 3, 2025, 8:45 p.m. This repo has been linked 1 different CVEs too.

voidr3aper-anon/ghost

None

Shell

Updated: 2 months, 2 weeks ago

0 stars 0 fork 0 watcher

Born at : June 12, 2025, 5:48 p.m. This repo has been linked 7 different CVEs too.

f1lyyy/V8-Exploit-Collection

None

JavaScript Python Shell HTML

Updated: 1 month ago

5 stars 0 fork 0 watcher

Born at : June 4, 2025, 2:10 p.m. This repo has been linked 3 different CVEs too.

manus-use/manus-use

None

Python

Updated: 1 month, 3 weeks ago

2 stars 0 fork 0 watcher

Born at : May 25, 2025, 5:43 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6554 vulnerability anywhere in the article.

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Help Net Security

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Published Date: Nov 18, 2025 (1 month ago)

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Published Date: Nov 18, 2025 (1 month ago)

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Google Chrome Issues High-Severity Fix for V8 Engine Vulnerability (CVE-2025-9132)

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Published Date: Aug 20, 2025 (4 months ago)

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Published Date: Jul 23, 2025 (4 months, 4 weeks ago)

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Published Date: Jul 17, 2025 (5 months ago)

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