mediawiki/core is a Free software wiki application developed by the Wikimedia Foundation and others.
Note: This package is not maintained on
Packagist anymore, but newer releases exist.
Affected versions of this package are vulnerable to Access Restriction Bypass. An issue was discovered in MediaWiki where
Special:Contributions can leak that a "hidden" user exists.
mediawiki/core to version 1.35.2, 1.31.12 or higher.