XSS stands for Cross Site Scripting
It is a security vulnerability found in web applications 🔐
In simple words
XSS happens when
malicious scripts are injected into a website 🧠
If XSS is not handled ❌
• User data can be stolen
• Sessions can be hijacked
• Website trust is lost
🧠 Types of XSS Attacks
• Stored XSS – malicious script stored in database
• Reflected XSS – script comes from user input
• DOM based XSS – client side manipulation
🌍 Real World Examples
• Fake popups stealing data
• Session cookie theft
• Redirecting users to malicious sites
🔄 How XSS Works
Attacker injects script 💉
Browser executes it 🧠
User data gets exposed 🔓
💻 Example: Vulnerable Code
<div>
Hello ${userInput}
</div>