WidzialniCMS is vulnerable to Reflected XSS in the /index.php endpoint. An attacker can prepare an URL that, when opened, results in arbitrary JavaScript execution in the victim's browser, allowing e.g session cookie theft.

This issue has been fixed in version 2.5.

WidzialniCMS is vulnerable to Unrestricted File Upload in the /panel/upload.php endpoint. Due to a client-controlled permission check parameter and insufficient validation of the uploadPath parameter, an unauthenticated attacker can upload arbitrary files to any locations on the server, leading to Remote Code Execution.

This issue has been fixed in version 2.5.

WidzialniCMS is vulnerable to Unrestricted File Upload in the /panel/controllers/savephoto.php endpoint. Due to a client-controlled permission check parameter and insufficient validation of the currentpath parameter, an unauthenticated attacker can upload arbitrary files to any locations on the server, leading to Remote Code Execution.

This issue has been fixed in version 2.5.