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Google Chrome Extensions Cross-Origin Data Leak Vulnerability

Vulnerability

A vulnerability in the Extensions component of Google Chrome, affecting versions prior to 139.0.7258.66, allowed remote attackers to leak cross-origin data. This was achieved by convincing users to perform specific UI gestures while interacting with a crafted HTML page.

Impact

Exploitation of this vulnerability could lead to unauthorized access to cross-origin data, potentially allowing for data theft or manipulation.

Remediation

Users can update to Google Chrome version 139.0.7258.66 or later to address this vulnerability.

Added: Aug 7, 2025, 2:20 AM
Updated: Aug 7, 2025, 2:20 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.4
remediation
7.7
relevance
0.3
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.