Vulnerability Name: Host Header Injection Redirect
Discovered by jatingupta on Wakatime

This issue was not triaged and was closed after 0 Days and 3 hours days.

Vulnerability Description: Open redirection is sometimes used as a part of phishing attacks that confuse visitors about which web site they are visiting.

Remediation: If possible, the application should avoid incorporating user-controllable data into redirection targets. In many cases, this behavior can be avoided in two ways: Remove the redirection function from the application, and replace links to it with direct links to the relevant target URLs. Maintain a server-side list of all URLs that are permitted for redirection. Instead of passing the target URL as a parameter to the redirector, pass an index into this list.

Vulnerable URL:

Payload: " X-Forwarded-Host: "

How to reproduce this vulnerability:

  1. Open this URL " " and send it to the repeater in burp suite.
  2. add the payload to the header request and forward the request.
  3. It will directly redirect to


Impact: Whenever a user visits this URL, it will redirect them to It is used in phishing attacks.