Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - Confirm Account Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Confirm Account Extension: from 1.39 through 1.43.CreditsBlankEclairReferenceshttps://phabricator.wikimedia.org/T386908https://gerrit.wikimedia.org/r/q/I86f47103ffb78c671890b44ccd59fcff6613975f