Title of the Vulnerability: Library-Card-System V 1.0 | Add Picture/Signature - signup.php | Unrestricted File Upload | Found By Maloy Roy Orko Finder & Exploit Owner: Maloy Roy Orko Vulnerability Class: Unrestricted File Upload Product Name: Library-Card-System Vendor: needyamin Vendor Link: https://github.com/needyamin/ Vulnerable Product Link: https://github.com/needyamin/Library-Card-System/ Affected Components: signup.php Suggested Description: Unrestricted File Upload in "signup.php" in "Library-Card-System application By needyamin v 1.0" Found By "Maloy Roy Orko" allows "remote" attacker "to upload shell and hijack server via Unrestricted File Upload as no validations are provided" via "signup.php". Attack Vectors: To exploit vulnerability,he has to upload picture or signature in signup.php and he has to upload shell instead of them.Thus, Attacker can install web shell as the file upload isn't protected and he can hijack the whole server too! Detailed Blog: https://www.websecurityinsights.my.id/2025/02/library-card-system-shell-by-maloyroyorko.html