Chapter-21, LEC-3 | Reflected XSS | #ethicalhacking #cybersecurity #youtube #education

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Reflected Cross-site scripting (XSS) is a type of XSS attack that involves an attacker injecting malicious code into a web page that is then reflected back to the user through a search query or other user input field. The attacker typically exploits vulnerabilities in the web application's input validation or output encoding to execute their malicious script.

The attack is carried out by the attacker tricking the victim into clicking on a link that contains the malicious code or by manipulating the input fields on a legitimate web page to inject the malicious script. When the user submits the form, the web application echoes back the user's input, including the injected script. The user's browser then executes the script, which can lead to a range of harmful consequences, such as stealing sensitive user information, taking control of user accounts, or spreading malware.

To prevent Reflected XSS attacks, web developers should use input validation and output encoding techniques to ensure that user input is properly sanitized before it is displayed on a web page. Content Security Policy (CSP) can also be implemented to restrict the types of scripts that can be executed on a web page. Additionally, users can protect themselves by being cautious when clicking on links or submitting information on unfamiliar websites and regularly updating their web browsers to ensure they are using the latest security features.