Security advisory

{
  "id": "3aa52e0c289abfcdc6cf5826fde97773ef5c73021b836f979859d7789c44b82d",
  "url": "https://osv.dev/vulnerability/CVE-2019-16528",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-16528",
    "summary": "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.",
    "evidence": "osv:CVE-2019-16528",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-16528",
      "aliases": [
        "CVE-2019-16528"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki-extensions-abusefilter",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9275ecd0076ccdb5b0c7cc465b1a6b76ab08603b"
                },
                {
                  "last_affected": "e054f2e0c49202c6735f19f0a1b179ebf1b639eb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:abusefilter:1.32:*:*:*:*:mediawiki:*:*",
                    "range": [
                      {
                        "introduced": "1.32"
                      },
                      {
                        "last_affected": "1.32"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:abusefilter:1.33:*:*:*:*:mediawiki:*:*",
                    "range": [
                      {
                        "introduced": "1.33"
                      },
                      {
                        "last_affected": "1.33"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.32",
            "1.33"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16528.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:17.544635709Z",
      "provider": "osv",
      "references": [
        "https://phabricator.wikimedia.org/T224203",
        "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/",
        "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/",
        "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-16528",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429582,
  "published_at": "2020-03-20T21:15:15.907+00:00"
}