An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. HTMLUserTextField exposes the existence of hidden users. https://phabricator.wikimedia.org/T309894
Created mediawiki tracking bugs for this issue: Affects: fedora-all [bug 2156330]
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-41765