Emerging Threat: CVE-2025-64095 - Critical Unauthenticated File Upload Vulnerability in DNN (DotNetNuke)
CVE-2025-64095 is a critical unauthenticated file-upload vulnerability affecting DNN (DotNetNuke) versions prior to 10.1.1. The flaw exists in the platform’s default HTML editor provider, where upload validation and authorization checks were insufficient. Attackers can upload files and overwrite existing content without credentials, enabling page defacement, malicious script injection, and in some environments stored cross-site scripting (XSS).