An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826, 14.2 before 14.2.7930, and 14.3 before 14.3.8025. There is potentially dangerous file upload through the SharePoint connector.

Low-privileged users with access to the Sitefinity backend may obtain sensitive information from the site's administrative area.

Potential Cross-Site Scripting (XSS) in the page editing area.

An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826, 14.2 before 14.2.7930, and 14.3 before 14.3.8025. There is potential XSS by privileged users in Sitefinity to media libraries.