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-rw-r--r--django/views/csrf.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/django/views/csrf.py b/django/views/csrf.py
index 6119f3b49d..0689df84e4 100644
--- a/django/views/csrf.py
+++ b/django/views/csrf.py
@@ -41,6 +41,7 @@ CSRF_FAILURE_TEMPLATE = """
{% if no_referer %}
<p>{{ no_referer1 }}</p>
<p>{{ no_referer2 }}</p>
+ <p>{{ no_referer3 }}</p>
{% endif %}
{% if no_cookie %}
<p>{{ no_cookie1 }}</p>
@@ -119,6 +120,13 @@ def csrf_failure(request, reason="", template_name=CSRF_FAILURE_TEMPLATE_NAME):
"If you have configured your browser to disable 'Referer' headers, "
"please re-enable them, at least for this site, or for HTTPS "
"connections, or for 'same-origin' requests."),
+ 'no_referer3': _(
+ "If you are using the <meta name=\"referrer\" "
+ "content=\"no-referrer\"> tag or including the 'Referrer-Policy: "
+ "no-referrer' header, please remove them. The CSRF protection "
+ "requires the 'Referer' header to do strict referer checking. If "
+ "you're concerned about privacy, use alternatives like "
+ "<a rel=\"noreferrer\" ...> for links to third-party sites."),
'no_cookie': reason == REASON_NO_CSRF_COOKIE,
'no_cookie1': _(
"You are seeing this message because this site requires a CSRF "