Google Chrome up to 138.0.7204.183 Extensions cross-domain policy

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$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Chrome. It has been rated as problematic. Affected is an unknown function of the component Extensions. The manipulation leads to cross-domain policy. This vulnerability is traded as CVE-2025-8581. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Chrome and classified as problematic. This issue affects an unknown function of the component Extensions. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is confidentiality. The summary by CVE is:

Inappropriate implementation in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2025-8581 since 08/05/2025. 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 246920 (Fedora 42 : chromium (2025-04158e05ef)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 139.0.7258.66 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (246920) and CERT Bund (WID-SEC-2025-1723). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Fedora Linux
  • SUSE openSUSE
  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

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: Cross-domain policy
CWE: CWE-942 / 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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Nessus ID: 246920
Nessus Name: Fedora 42 : chromium (2025-04158e05ef)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 139.0.7258.66

Timelineinfo

08/05/2025 CVE reserved
08/07/2025 +2 days Advisory disclosed
08/07/2025 +0 days VulDB entry created
08/17/2025 +10 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 416942
Status: Confirmed

CVE: CVE-2025-8581 (🔒)
GCVE (CVE): GCVE-0-2025-8581
GCVE (VulDB): GCVE-100-319109
CERT Bund: WID-SEC-2025-1723 - Google Chrome / Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 08/07/2025 08:37
Updated: 08/17/2025 17:00
Changes: 08/07/2025 08:37 (57), 08/07/2025 15:00 (1), 08/08/2025 18:36 (7), 08/10/2025 06:54 (2), 08/17/2025 17:00 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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