Updated mediawiki packages fix security vulnerabilities:
== Security fixes == * (T292763. CVE-2021-44854) REST API incorrectly publicly caches autocomplete search results from private wikis. * (T271037, CVE-2021-44856) Title blocked in AbuseFilter can be created via Special:ChangeContentModel. * (T297322, CVE-2021-44857) Unauthorized users can use action=mcrundo to replace the content of arbitrary pages. * (T297322, CVE-2021-44858) Unauthorized users can view contents of private wikis using various actions. * (T297574, CVE-2021-45038) Unauthorized users can access private wiki contents using rollback action
=== Extension security fixes === * (T293589, CVE-2021-44855) Blind Stored XSS in VisualEditor media dialog. * (T294686) Special:Nuke doesn't actually delete pages.