FirstBlood-#22OpenRedirect on Secure Logout

On 2021-05-09, jonlaing reported:

The url is shown on logging out.

This is vulnerable to an OpenRedirect vulnerability.

The original url can be amended to\/// and after following the redirects will take you to Google..

P4 Low

Endpoint: /drpanel/logout.php?ref=/\///

Parameter: ref=

Payload: /\///

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.

Respect Earnt: 500000
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