2021-12-17 00:00:00
mitre
PUBLISHED
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 doesnt have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.