Successfully exploited a code execution vulnerability in a web application by bypassing keyword restrictions through Python class enumeration, leading to a reverse shell as the app-production user and retrieval of the user.txt flag. Leveraged access to a SQLite database to crack credentials for the martin user and escalate privileges. Identified a backup script running with root privileges, crafted a malicious JSON payload to include the root directory in backups, and ultimately obtained the root.txt flag.

This engagement highlights the importance of secure input validation, credential management, and careful privilege delegation in application security.

#Cybersecurity #HackTheBox #CTF #PenetrationTesting #PrivilegeEscalation #ApplicationSecurity …

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