MediaWiki Vulnerability - CVE-2023-45362
An issue was discovered in DifferenceEngine.php in MediaWiki before 1.35.12 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. diff-multi-sameuser (aka quotX intermediate revisions by the same user not shownquot) ignores username suppression. This is an information leak.