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AdGuard Application Cross-Site Scripting Vulnerability in Versions Through 7.18.1

Vulnerability

A cross-site scripting vulnerability has been identified in AdGuard Application versions through 7.18.1 (4778). This vulnerability allows an attacker to execute arbitrary code by sending a crafted payload to the fontMatrix component.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can execute scripts in the context of the user's session.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
4.4
remediation
0.0
relevance
0.0
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.