Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este

Stored Cross-site Scripting (XSS)vylnerability type in WinPlus v24.11.27 byInformática del Este that consist of an stored XSS of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'descripcion' parameter in '/WinplusPortal/ws/sWinplus.svc/json/savesoldoc_post'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.