As daily use of Internet is expanding exponentially and access of Internet become more prevalent in the people daily life but at the same time web application are becoming most attractive targets for hacker and cyber criminals. The paper identifies vulnerability attacks caused due to inputs performed by a user which are not properly validated across the web application. The existing IDS designed for validation vulnerability attacks are language reliable. This paper present a proposed IDS concept which is not language reliant i.e. it is designed for any web application developed with the support of PHP, Java, Dotnet etc.