Chapter-21, LEC-1 | Cross Site Scripting Introduction | #ethicalhacking #cybersecurity #cybersport
#ethicalhacking #hacking #rumble #virel #trending #education
Cross-Site Scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious code into web pages viewed by other users. This is done by exploiting the web application's trust in user input, such as form data or query parameters, to execute arbitrary scripts or steal sensitive information.
XSS attacks come in different forms, but they all involve injecting malicious code into a web page that is subsequently executed by unsuspecting users. This can happen in a variety of ways, such as via a comment form, search field, or even through an uploaded file.
There are several types of XSS attacks, including reflected XSS, stored XSS, and DOM-based XSS. Reflected XSS involves injecting malicious code that is reflected back to the user through a search query or other user input field. Stored XSS is when the malicious code is stored on the server and executed every time the page is accessed. DOM-based XSS involves manipulating the Document Object Model (DOM) of the web page to execute malicious code.
XSS attacks can have serious consequences, ranging from stealing sensitive user information to spreading malware and taking over user accounts. To prevent XSS attacks, web developers need to implement proper input validation and sanitization techniques, as well as use security measures such as Content Security Policy (CSP) to limit the types of scripts that can be executed on a web page.
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