You can create an affiliate login page or add a login widget for your affiliates on the sidebar of your site.
Adding Affiliate Login Widget to the SideBar
- Go to the Widgets menu of your WordPress admin dashboard
- Add a standard “Text” widget to your sidebar
- Add the [AffiliatesLogin] shortcode in this text widget
Creating a Login Page
- Create a New WordPress page
- Add the [AffiliatesLogin] shortcode in this page.
- Publish/save this page.