Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Breadcrumbs2 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Breadcrumbs2 extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.5, from 1.42.X before 1.42.4.
https://phabricator.wikimedia.org/T382043
https://gerrit.wikimedia.org/r/q/I7878f8f7bc067080f80427b90f8d85337f172711