CVE-2021-44857: Missing Authorization

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page that the user doesn't have edit rights for. This applies to any public wiki, or a...