Screenshot of LQT thread with </div> in title
Should be treated the same as regular page titles: Escape everything.
Or, if we want to keep wikitext parsing (e.g. for wikilinks, sometimes done in section headings), then parse as inline block (not allowing any block level elements like <div> or <table>) and make sure open/close tags match (run Tidy).
Version: unspecified
Severity: major
URL: https://www.mediawiki.org/wiki/Thread:Project:Support_desk/visible_html_on_pages%3A
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=31244
https://bugzilla.wikimedia.org/show_bug.cgi?id=29564
Attached: