With the up gradation of technology came World Wide Web and now it has become part of our everyday life. Our increasing dependency on web applications has made us more susceptible to web based attacks . According to OWASP [1] (Open Source Web Application Security Project) Structured Query Language (SQL) injection, Cross Site Scripting Attack (XSS) and Cross-Site Request Forgery (CSRF) are the most popular attack techniques used by evil-minded user for monetary gains or in some way harm the unsuspecting user. Cross site scripting has been on top of the list of web security threats of late. To deal with the cross site scripting on server side is not always possible because of security unawareness of web developers. Hence it becomes imperative to implement client side defenses. In this paper we are going to assess the defenses of existing browsers and study their limitations. For analyzing the defenses provided by different browsers we have created detailed test cases of vulnerabilities and designed a vulnerable web site for testing the browsers capability to resist against the exploits.

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Cross Site Scripting Xss Browser Security