{"id":19866,"date":"2021-09-05T11:26:22","date_gmt":"2021-09-05T11:26:22","guid":{"rendered":"https:\/\/ded9.com\/?p=19866"},"modified":"2025-11-11T08:42:10","modified_gmt":"2025-11-11T08:42:10","slug":"what-are-xss-attacks-and-how-can-they-be-prevented","status":"publish","type":"post","link":"https:\/\/ded9.com\/tr\/what-are-xss-attacks-and-how-can-they-be-prevented\/","title":{"rendered":"What Are XSS Attacks and How Can They Be Prevented?"},"content":{"rendered":"

Cross-site scripting, or XSS, is one of the most common attacks by hackers for malicious purposes on the Web. Although the main abbreviation for this attack is CSS, because it is confused with CSS code, it is considered for it. Today, we are going to introduce XSS attacks and teach you how to prevent them from happening. So stay tuned until the end of the article.<\/span><\/span><\/p>\n

What are XSS attacks?<\/span><\/span><\/h3>\n

XSS attacks are a type of code injection attack on the client side. In this attack, the attacker tries to execute malicious code through a legitimate web page in the Internet user’s browser, and the main attack occurs when the victim visits that web page or web application.<\/span><\/span><\/p>\n

In fact, the hacker uses the web page or web application to send malicious code to the user’s browser. Sites such as forums, message boards, and web pages that allow users to post comments are the best ways to inject malicious scripts.<\/span><\/span><\/p>\n

If the web page uses the input of infected users in its generated output, it becomes vulnerable to XSS attacks, and the user input must then be parsed by the victim’s browser. XSS attacks can occur in VBScript, ActiveX, Flash, and even CSS. Of course, most attacks occur in JavaScript because this language is one of the main elements of Internet browsers.<\/span><\/span><\/p>\n

XSS attacks and users<\/span><\/span><\/h3>\n

Suppose a hacker exploits an XSS vulnerability on a page to inject malicious JavaScript code into a user’s browser. In that case, the web application and its users’ security will be compromised. Unlike security issues, XSS attacks don’t limit users, so if they are dangerous to your website users, they will affect you.<\/span><\/span><\/p>\n

Some hackers also use XSS attacks to disable websites instead of targeting users. In this case, the hacker can inject scripts to change the website’s content or redirect the victim’s browser to the infected pages.<\/span><\/span><\/p>\n

Hacker and JavaScript<\/span><\/span><\/h3>\n

XSS attacks are less risky than SQL injections. Injecting JavaScript into a web page may not be dangerous at first glance because most web browsers execute JavaScript code in a completely controlled environment. JavaScript also imposes restrictions on access to the operating system and user files. However, it can be very dangerous if JavaScript is a part of malicious content:<\/span><\/span><\/p>\n