If you're looking to customize or enhance Firefox's functionality, here are some general suggestions:
: Type about:addons in your Firefox address bar. stuhack firefox
If you're looking for information on the extension for Firefox, the most helpful resource is the developer's guide on GitHub. This tool is designed to help students access documents on Studocu more easily. How to Install StuDocuHack on Firefox If you're looking to customize or enhance Firefox's
Do not download browsers from third-party sites. Always use the official Firefox website. The Role of Open Source Security stuhack firefox
Unfortunately, I couldn't find any specific information on "Stu_Hack Firefox" or a known vulnerability with that name. It's possible that this is a custom or proprietary exploit, or it may be a misspelling or variation of a different vulnerability.