CVE-2020-12051

The CentralAuth extension through REL134 for MediaWiki allows remote attackers to obtain sensitive hidden account information via an api.php?action=query=globaluserinfo= request. In other words, the information can be retrieved via the action API even though access would be denied when simply...

CVE-2021-36125

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value MaxNameChars...