![]() ![]() The search box suggestion menu is a staple function in most modern web sites. ![]() You can get a free trial of Dominator Pro at the official site here:Īlthough there are multiple places where DBX vulnerabilities can appear, today I'm going to be looking at the handy little search box suggestion drop-down. It's then down to you to pick apart the output to figure out if it can actually be exploited or not. For data flows that are potentially vulnerable Dominator will give you a warning and a step by step view of how exactly the data is being processed. It specifically looks for sources and sinks, essentially where input data goes in and where it comes out. Manual code analysis is possible but it's far quicker and easier to use an automated tool such as Dominator.ĭominator is implemented using a modified version of Firefox and will dynamically test pages as you browse. Usually to find DBX vulnerabilities we need to trace the input and output of client-side Javascript functions and find data flows with poor (or non-existent) input validation. The end goal is however the same, typically the execution of malicious Javascript within the trusted domain of the target site. ![]() DOM based XSS (In this article I'll abreviate to DBX) is slightly different to regular XSS in that we are targeting the underlying Javascript used on the client-side instead of reflecting our attack off some server-side function. ![]()
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