Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in pfSense CE's suricata package, specifically in the suricata_flow_stream.php file. The value of the policy_name parameter is not properly sanitized for HTML-related strings or characters before being displayed, allowing an attacker with at least 'WebCfg - Services: suricata package' permissions to inject malicious scripts that get stored and executed in the context of the application.

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Impact Analysis

An attacker exploiting this vulnerability can execute malicious scripts in the context of the affected application, potentially leading to unauthorized actions, data theft, or session hijacking for users who view the affected page. Since the attacker needs authenticated access with specific permissions, the impact is limited to users with those privileges but can still compromise the integrity and security of the system.

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