In the MobileFrontend extension 1.31 through 1.33 for MediaWiki, XSS exists within the edit summary field in includes/specials/MobileSpecialPageFeed.php.Referenceshttps://phabricator.wikimedia.org/T229541https://gerrit.wikimedia.org/g/mediawiki/extensions/MobileFrontend/+/08dfc59771d0ed9b739a59bb521baf7f59d169f9