The HtmlBuilder module virus, also known as HB-N1, which stemmed at the
English Wikipedia, has infected many other sites: b:id:Modul:HtmlBuilder
<https://id.wikibooks.org/wiki/Modul:HtmlBuilder>
Since the creation of the mw.html library
<https://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#HTML_library>,
very few attempts to actually defeat it have been done.
We need your help. Spread this out to your wiki!