In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.
{ "versions": [ { "introduced": "0" }, { "fixed": "1.31.10" }, { "introduced": "1.32.0" }, { "fixed": "1.34.4" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25813.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "33" } ] } ]