An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. It can expose suppressed information for log events. (The log_deleted attribute is not respected.)
[
{
"cpes": [
"cpe:2.3:a:mediawiki:mediawiki:-:*:*:*:*:*:*:*"
],
"vendor": "mediawiki",
"product": "mediawiki",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.42.1"
}
],
"defaultStatus": "unknown"
}
]