Which PHP function can help cross site scripting?

Basically you need to use the function htmlspecialchars() whenever you want to output something to the browser that came from the user input. The correct way to use this function is something like this: echo htmlspecialchars($string, ENT_QUOTES, ‘UTF-8’);

What is Cross Site Scripting example?

Examples of reflected cross-site scripting attacks include when an attacker stores malicious script in the data sent from a website’s search or contact form. A typical example of reflected cross-site scripting is a search form, where visitors sends their search query to the server, and only they see the result.

Which PHP function can help prevent cross site scripting Addslashes ()?

Preventing Cross-site Scripting In PHP

  • Input Sanitization. For the majority of PHP applications, htmlspecialchars() will be your best friend.
  • htmlspecialchars() vs htmlentities()
  • strip_tags()
  • addslashes()
  • Where Entity Encoding Fails.
  • Third Party PHP Libraries.
  • Other Things to Remember.

What are the three types of cross site scripting attacks?

These 3 types of XSS are defined as follows:

  • Reflected XSS (AKA Non-Persistent or Type I)
  • Stored XSS (AKA Persistent or Type II)
  • DOM Based XSS (AKA Type-0)

How is XSS performed?

Cross-Site Scripting (XSS) attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser side script, to a different end user.

Is XSS client or server side?

Cross-site Scripting (XSS) Cross-site Scripting (XSS) is a client-side code injection attack. The attacker aims to execute malicious scripts in a web browser of the victim by including malicious code in a legitimate web page or web application.

What is the difference between XSS and CSRF?

Cross-site scripting (or XSS) allows an attacker to execute arbitrary JavaScript within the browser of a victim user. Cross-site request forgery (or CSRF) allows an attacker to induce a victim user to perform actions that they do not intend to.