Google Chrome up to 141.0.7390.122 Extensions authentication bypass

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 (≈)
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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.
6.0$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Chrome. This affects an unknown part of the component Extensions. Executing a manipulation can lead to an unknown weakness. This vulnerability is tracked as CVE-2025-12431. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome and classified as critical. This vulnerability affects an unknown functionality of the component Extensions. The CWE definition for the vulnerability is CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. The impact remains unknown. CVE summarizes:

Inappropriate implementation in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: High)

The weakness was disclosed by Alesandro Ortiz. The advisory is shared for download at chromereleases.googleblog.com. This vulnerability was named CVE-2025-12431. 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. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/11/2025).

The vulnerability scanner Nessus provides a plugin with the ID 272077 (Debian dsa-6046 : chromium - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 142.0.7444.59 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (272077) and CERT Bund (WID-SEC-2025-2445). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Google Chrome

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Bug Bounty Price: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 272077
Nessus Name: Debian dsa-6046 : chromium - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 142.0.7444.59

Timelineinfo

10/31/2025 Advisory disclosed
10/31/2025 +0 days VulDB entry created
11/13/2025 +13 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Researcher: Alesandro Ortiz
Status: Confirmed

CVE: CVE-2025-12431 (🔒)
GCVE (CVE): GCVE-0-2025-12431
GCVE (VulDB): GCVE-100-330772
CERT Bund: WID-SEC-2025-2445 - Google Chrome/Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 10/31/2025 13:34
Updated: 11/13/2025 04:20
Changes: 10/31/2025 13:34 (54), 10/31/2025 14:50 (2), 11/03/2025 09:29 (7), 11/11/2025 05:22 (1), 11/13/2025 04:20 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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