Client-side Security Control Bypass with HTML ,CSS ,JavaScript
Client-side Security Control Bypass Overview Some web applications rely on client-side controls such as disabling form fields, limiting field size, JavaScript validation or other controls to prevent the user from sending malicious input. In all cases, any client-side control can be bypassed or ignored entirely. Not all applications that use client-side controls are vulnerable. Application which pair all client-side controls with an equivalent server-side version of the control may be secure. Quality applications often mirror all server-side controls with the client-side counterpart to reduce network traffic, prevent honest users from sending known-bad values and provide guidance. However applications depending solely on client-side controls are often vulnerable to injection and/or attacks on application logic. Discovery Methodology (Static source-code analysis) Applications using client-side controls will write the controls using client-side languages such as HTML, Ja...

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