# Exploit Title: NFTBox - NFT Marketplace Solution - Hardcoded Private Key Disclosure # Date: 2026-01-21 # Exploit Author: Sohel Yousef -- https://www.linkedin.com/in/sohel-yousef-50a905189/ # Vendor Homepage: https://bdtask.com/ # Software Link: https://codecanyon.net/item/nftbox-nft-marketplace-solution/35043063 # Version: Latest # Tested on: Linux/Windows # CVE: N/A Description: A critical Information Disclosure vulnerability exists in the 'NFTBox' script. The application exposes a sensitive crypto wallet Private Key within a public JavaScript file (`wallet.js`). This allows malicious actors to potentially access funds or interact with smart contracts unauthorizedly. Vulnerable File: /public/assets/website/js/wallet.js Proof of Concept (PoC): 1. Navigate to the following path on the target application: https://[TARGET-DOMAIN]/public/assets/website/js/wallet.js 2. Search for variable declarations related to wallet configuration (e.g., 'privateKey', 'secret'). 3. The private key is visible in plain text. Sample Request: GET /public/assets/website/js/wallet.js HTTP/1.1 Host: [TARGET-DOMAIN] Response (Snippet): ... var privateKey = "0x123456..."; // SENSITIVE DATA EXPOSED ... Impact: Full compromise of the associated wallet, loss of funds, and unauthorized smart contract manipulation.