An issue was discovered in the Widgets extension through 1.4.0 for MediaWiki. Improper title sanitization allowed for the execution of any wiki page as a widget (as defined by this extension) via MediaWiki's {{#widget:}} parser function.Referenceshttps://phabricator.wikimedia.org/T245850https://gerrit.wikimedia.org/r/q/I953e060bc6994ffdba9f380c98173f53f8ca1ea8
