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Google Chrome MHTML Inappropriate Implementation Vulnerability Allowing Universal Cross-Site Scripting

Vulnerability

A vulnerability exists in Google Chrome versions prior to 148.0.7778.96, where an inappropriate implementation in the MHTML component allows remote attackers to inject arbitrary scripts or HTML, leading to universal cross-site scripting (UXSS). This issue arises when a compromised renderer process processes a crafted HTML page.

Impact

Exploitation of this vulnerability allows for universal cross-site scripting, where an attacker can inject scripts that are executed in the context of the user's browser.

Remediation

Users can update to Google Chrome version 148.0.7778.96 or later to address this vulnerability.

Added: May 6, 2026, 7:30 PM
Updated: May 6, 2026, 7:30 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
1.3
exploitability
3.6
remediation
7.7
relevance
7.6
threat
0.0
urgency
2.9
incentive
0.0

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