If the django.middleware.common.CommonMiddleware and the APPEND_SLASH setting are both enabled, and if the project has a URL pattern that accepts any path ending in a slash, then a request to a maliciously crafted URL of that site could lead to a redirect to another site, enabling phishing and other attacks.
Start the environment with Django 2.0.7:
docker-compose up -d
Now visit http://your-ip:8000//www.example.com, you will be redirected to //www.example.com/：
