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License: GNU Affero General Public License v3.0
Manage Your Large Team of Consultants
License: GNU Affero General Public License v3.0
Hello ,
find bug in file authentication.py
Line 36 to 39
if 'next' in request.POST:
return HttpResponseRedirect(request.POST.get('next'))
else:
return HttpResponseRedirect(reverse('CalendarinhoApp:Dashboard'))
When successful login "POST Method"
The vulnerability arises from the way the code processes the next parameter in the POST request data. If the next parameter is present in the request, the code performs a redirection to the URL specified in the next parameter without proper validation. An attacker could manipulate this parameter to redirect users to a malicious website or a phishing page.
Remediation
You should validate and sanitize the next parameter before using it in the "HttpResponseRedirect".
Here's an example of how you can do that:
if 'next' in request.POST:
# Validate the 'next' parameter as a URL before redirecting
url = request.POST.get('next')
validate = URLValidator()
try:
validate(url)
return HttpResponseRedirect(url)
except ValidationError:
# Handle invalid URLs here (e.g., redirect to a safe default page)
pass
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