🚀Cross-Site Scripting (XSS) is a type of web security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. It occurs when a web application does not properly validate or sanitize user input and fails to escape or encode the data before rendering it back to the users' browsers.

The attack takes advantage of the trust that a web application has for the input it receives from users. Attackers can inject harmful scripts, typically written in JavaScript, into various parts of a website, such as comment sections, input forms, or URL parameters. When other users access the affected page, their browsers unwittingly execute the malicious code, allowing the attacker to steal sensitive information, hijack user sessions, or perform other malicious actions on the user's behalf.

There are three main types of #XSS attacks:

🍎Stored XSS: In this type, the malicious script is permanently stored on the web application's server. When a user accesses a particular page containing the stored script, the script gets executed on the user's browser.

🍎Reflected XSS: In this type, the injected script is reflected off a web server to the user's browser immediately. The attacker typically lures victims into clicking a specially crafted link containing the malicious payload.

🍎DOM-based XSS: This type of XSS occurs when the client-side scripts manipulate the Document Object Model (DOM) of a web page. The attack takes place solely within the user's browser, and there is no server-side involvement.

⚫️ 🔴 🔵XSS vulnerabilities are serious and can lead to data breaches, unauthorized access, and significant harm to users and the affected website. To prevent XSS attacks, developers must implement proper input validation and output encoding, utilize security libraries, and adhere to security best practices when developing web applications. Additionally, web browsers and security tools often include features to detect and mitigate XSS attacks.

⚫️ 🔴 🔵SQL Injection (SQLi) is another type of web application security vulnerability that allows attackers to manipulate an application's SQL query through malicious user input. It occurs when a web application does not properly validate or sanitize user-supplied data before using it in SQL queries, making it possible for an attacker to execute unauthorized SQL commands against the application's database.

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