Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in Xibo Signage's Xibo CMS version 4.1.2. It occurs because the application does not properly validate user input. An attacker can exploit this by creating a template in the 'Templates' section, adding a text element in the 'Global Elements' section, and then inserting malicious code into the 'Text' field, which gets stored and later executed in users' browsers.

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Impact Analysis

The vulnerability can allow an attacker to execute malicious scripts in the context of the affected application. This can lead to unauthorized actions such as stealing user session data, defacing content, or performing actions on behalf of other users, potentially compromising the security and integrity of the system and its users.

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