{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.35"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "aed89d030bb486fdcfc9a92a03ed94fb214493a9"
            }
          ],
          "repo": "https://github.com/wikimedia/mediawiki-extensions-checkuser",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.",
  "id": "CVE-2019-16529",
  "modified": "2026-07-08T05:37:59.332908790Z",
  "published": "2020-03-19T23:15:18.490Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T207094"
    },
    {
      "type": "FIX",
      "url": "https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}