Issues in how the "shopping cart" or "payment" logic handles quantities or prices. 2. The Critical Flaw: Prototype Pollution
Leftover API keys or developer credentials. moanshop.7z
The application uses a vulnerable library (like lodash or merge-deep ) to combine user input into a configuration object. Issues in how the "shopping cart" or "payment"
Overwriting settings in the rendering engine (like EJS or Pug) to force the server to execute malicious system commands. Summary of the Solution To solve the challenge, a researcher typically: Downloads and extracts the moanshop.7z file. The application uses a vulnerable library (like lodash
While the exact details can vary depending on the specific competition (e.g., SECCON, HTB, or private bug bounty simulations), the typical write-up for this challenge focuses on three main stages:
Triggers a system command (e.g., cat /flag.txt ) to read the secret flag.