BlackWidow is a Python-based web application scanner that combines Open Source Intelligence (OSINT) gathering with vulnerability assessment capabilities. The tool automates the process of collecting information about target websites while simultaneously testing for common OWASP vulnerabilities through fuzzing techniques. The scanner performs reconnaissance activities to gather intelligence about the target web application, including identifying potential attack vectors and security weaknesses. It incorporates fuzzing methodologies to test various input points and parameters for security flaws. BlackWidow focuses on identifying Application Security issues by testing web applications against known vulnerability patterns and attack vectors. The tool provides automated scanning capabilities that can help identify potential security gaps in web-based applications. The scanner is designed to streamline the vulnerability assessment process by combining information gathering and security testing into a single automated workflow. It targets common web application vulnerabilities as defined by OWASP standards and guidelines.