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.
{ "binaries": [ { "binary_name": "mediawiki", "binary_version": "1:1.27.4-3" }, { "binary_name": "mediawiki-classes", "binary_version": "1:1.27.4-3" } ] }
{ "binaries": [ { "binary_name": "mediawiki", "binary_version": "1:1.31.7-1" }, { "binary_name": "mediawiki-classes", "binary_version": "1:1.31.7-1" } ] }
{ "binaries": [ { "binary_name": "mediawiki", "binary_version": "1:1.35.6-1" }, { "binary_name": "mediawiki-classes", "binary_version": "1:1.35.6-1" } ] }
{ "binaries": [ { "binary_name": "mediawiki", "binary_version": "1:1.39.7-1" }, { "binary_name": "mediawiki-classes", "binary_version": "1:1.39.7-1" } ] }
{ "binaries": [ { "binary_name": "mediawiki", "binary_version": "1:1.43.1+dfsg-1" }, { "binary_name": "mediawiki-classes", "binary_version": "1:1.43.1+dfsg-1" } ] }