Stored Cross-Site Scripting (XSS) in CMS

Stored Cross-Site Scripting (XSS) in Xibo Signage's Xibo CMS v4.1.2, due to a lack of proper validation of user input. To exploit the vulnerability, the attacker must create a template in the 'Templates' section, then add a text element in the 'Global Elements' section, and finally modify the 'Text' field in the section with the malicious payload.