{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.32"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.33"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "9275ecd0076ccdb5b0c7cc465b1a6b76ab08603b"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "e054f2e0c49202c6735f19f0a1b179ebf1b639eb"
            }
          ],
          "repo": "https://github.com/wikimedia/mediawiki-extensions-abusefilter",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitive information, such as deleted/suppressed usernames and summaries, from AbuseLog revision data. This affects REL1_32 and REL1_33.",
  "id": "CVE-2019-16528",
  "modified": "2026-03-13T21:57:38.891686714Z",
  "published": "2020-03-20T21:15:15.907Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://phabricator.wikimedia.org/T224203"
    },
    {
      "type": "FIX",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/"
    },
    {
      "type": "FIX",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/"
    },
    {
      "type": "FIX",
      "url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}