BlogEngine.NET 3.3.7.0 and earlier allows XML External Entity Blind Injection, related to pingback.axd and BlogEngine.Core/Web/HttpHandlers/PingbackHandler.cs.
BlogEngine.NET 3.3.7.0 and earlier allows Directory Traversal and Remote Code Execution because file creation is mishandled, related to /api/upload and BlogEngine.NET/AppCode/Api/UploadController.cs. NOTE: this issue exists because of an incomplete fix for CVE-2019-6714.
Cross-site scripting (XSS) vulnerability in blog/search.aspx in BlogEngine.NET allows remote attackers to inject arbitrary web script or HTML via the q parameter.