DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a friend request on another user. Version 10.2.2 patches the issue.

Cross-site scripting (XSS) vulnerability in DotNetNuke 6.x through 6.0.2 allows user-assisted remote attackers to inject arbitrary web script or HTML via a crafted URL containing text that is used within a modal popup.

Cross-site scripting (XSS) vulnerability in the telerik HTML editor in DotNetNuke before 5.6.4 and 6.x before 6.1.0 allows remote attackers to inject arbitrary web script or HTML via a message.

Cross-site scripting (XSS) vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote attackers to inject arbitrary web script or HTML via the dnnVariable parameter to the default URI.

Open redirect vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Cross-site scripting (XSS) vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote authenticated users to inject arbitrary web script or HTML via vectors related to the Display Name field in the Manage Profile.