Research Scientist with 5 years of hands-on experience in software development and security research, based in Zhejiang, China. An active CTFer and reverse-engineering enthusiast, they blend vulnerability hunting and low-level analysis with practical engineering. Notable open-source contributions include expanding happy-dom’s browser-like capabilities (HTMLMetaElement, DOMTokenList, getElementsByName, btoa/atob) and fixing XML parser edge cases, reflecting strong attention to web platform semantics. Comfortable working across the full stack, they focus on building reliable, spec-compliant tooling that aids both testing and research workflows. Their profile suggests a knack for turning security insights into concrete code improvements that benefit broader developer ecosystems.
A JavaScript implementation of a web browser without its graphical user interface
Role in this project:
Full-stack Developer
Contributions:19 reviews, 69 commits, 18 PRs in 9 months
Contributions summary:Mas0nShi's contributions focused on enhancing the `happy-dom` project by implementing support for HTMLMetaElement, including adding new properties and attributes. They also fixed an issue in the XML parser related to non-parsed content tags. Furthermore, the user added support for `DOMTokenList` and implemented `document.getElementsByName`, as well as added the `btoa` and `atob` functions. These changes demonstrate a focus on expanding the project's web browser implementation capabilities.
Contributions:14 releases, 29 commits, 2 PRs in 1 year 3 months
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