We are busy working on a brand new website and platform. All of the content on this website is considered out-dated, however challenges and our members section are working as before. Stay tuned for updates!
FirstBlood-#22 — OpenRedirect on Secure Logout
This issue was discovered on FirstBlood v1
On 2021-05-09, jonlaing Level 2 reported:
Getting started
Learn about vulnerability types 
Getting started in bug bounties 
Test your knowledge
Free Web Application Challenges
Guides for your hunts 
ZSeano's Methodology
Effective Note Taking for bug bounties
Useful Resources 
Disclosed HackerOne Reports 
Our community
Endorsed Members
Hackevents 
Member Articles
The url http://firstbloodhackers.com:49195/drpanel/logout.php?ref=/ is shown on logging out.
This is vulnerable to an OpenRedirect vulnerability.
The original url can be amended to http://firstbloodhackers.com:49195/drpanel/logout.php?ref=/\///google.com and after following the redirects will take you to Google..
P4 Low
Endpoint: /drpanel/logout.php?ref=/\///google.com
Parameter: ref=
Payload: /\///google.com
FirstBlood ID: 1
Vulnerability Type: Open Redirect
There is an open url redirect vulnerability on /logout.php. The code expects it to start with / and does not allow to redirect to external domains but this can be bypassed.