An un-authenticated SQL Injection exists in PuneethReddyHC online-shopping-system-advanced through the /action.php prId parameter. Using a post request does not sanitize the user input.
https://www.nu11secur1ty.com/2021/11/cve-2021-41648.html
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41648
https://github.com/MobiusBinary/CVE-2021-41648
https://awesomeopensource.com/project/PuneethReddyHC/online-shopping-system