An arbitrary file upload vulnerability in the component modstudentcontroller.php of Pisay Online E-Learning System using PHP/MySQL v1.0 allows attackers to execute arbitrary code via uploading a crafted file.
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.