CVE-2025-5171 llisoft MTA Maita Training System OpenController.java this.fileService.download unrestricted upload

A vulnerability, which was classified as critical, has been found in llisoft MTA Maita Training System 4.5. This issue affects the function this.fileService.download of the file com\llisoft\controller\OpenController.java. The manipulation of the argument url leads to unrestricted upload. The atta...