HPP Finder is a Google Chrome extension for detecting HPP vulnerabilities purely at the client-side. The idea is to use jQuery for parsing all hyperlinks and HTML forms that may include the same parameter multiple times. HPP Finder marks all suspicious hyperlinks and forms in a dashed
frame and reports all of them in a pop-up, which is triggered upon clicking on the extension's icon.
HPP Finder is not a complete solution for HPP attacks. It can only spot hyperlinks and forms that include parameters that mask one each other