Add PoC exploit for CVE-2023-7028

[postmodern]

Add a PoC exploit for CVE-2023-7028, where a specially crafted HTTP request can cause GitLab to send password reset emails to an arbitrary email address to trigger a password reset and account hijack.

Reference PoCs

• https://github.com/duy-31/CVE-2023-7028/blob/main/cve-2023-7028.sh
• https://github.com/RandomRobbieBF/CVE-2023-7028/blob/main/CVE-2023-7028.py

Vuln Apps

• https://github.com/Trackflaw/CVE-2023-7028-Docker/tree/main

How to Submit a PoC

See the CONTRIBUTING file for instructions on how to submit a PoC exploit.