XSS (Cross-Site Scripting)

Cross-site scripting (XSS) is an attack technique in which malicious code is injected into websites.

What does XSS mean in detail?

In an XSS attack, attackers exploit security vulnerabilities in websites to inject their own code. This code is then executed in the browser of other users.

This allows e.g:

• Data can be spied out

• Sessions are taken over

• Contents are manipulated

Where do I come across this issue in my day-to-day work?

• When visiting websites
• When using online forms
• For web applications in the company

Practical example:

A manipulated website contains hidden malicious code. When it is called up, it is automatically executed in the browser and attempts to read login data.

What can I do to improve my safety?

• Only use websites from trustworthy sources
• Keep browsers and systems up to date
• Be careful with unusual behavior

Note: XSS attacks happen in the background – often without users noticing it directly.