ISPConfig Cross-Site Scripting Vulnerability in System Status Webpage

A cross-site scripting (XSS) vulnerability has been identified in ISPConfig version 3.3.0. This issue arises on the system status webpage, where user input is not properly sanitized, allowing for the injection of malicious scripts.

Impact

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

Remediation

Users can update to ISPConfig 3.3.0p2, which addresses this vulnerability. The update can be performed using the ispconfig_update.sh command or manually by downloading the update from the ISPConfig website and running the provided installation commands.