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-rw-r--r--django/middleware/common.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/django/middleware/common.py b/django/middleware/common.py
index bea3f7448a..a18fbe7b47 100644
--- a/django/middleware/common.py
+++ b/django/middleware/common.py
@@ -7,6 +7,7 @@ from django.core.mail import mail_managers
from django.http import HttpResponsePermanentRedirect
from django.urls import is_valid_path
from django.utils.deprecation import MiddlewareMixin
+from django.utils.http import escape_leading_slashes
class CommonMiddleware(MiddlewareMixin):
@@ -79,6 +80,8 @@ class CommonMiddleware(MiddlewareMixin):
POST, PUT, or PATCH.
"""
new_path = request.get_full_path(force_append_slash=True)
+ # Prevent construction of scheme relative urls.
+ new_path = escape_leading_slashes(new_path)
if settings.DEBUG and request.method in ('POST', 'PUT', 'PATCH'):
raise RuntimeError(
"You called this URL via %(method)s, but the URL doesn't end "