Technically, everything is possible, any software product has loopholes, and most likely, if you decide to scan a QR code found on a random web page, you are potentially becoming a victim of scammers. Therefore, if you use such a tool, scan the QR code only in official verified places. No one is immune to this type of fraud, so do everything you can to protect yourself from it by checking sources and using best security practices. Fraudsters can exploit various vulnerabilities.