Security advisory

{
  "id": "15a7f766ae63ba36e60053403237004b917982e2354bf17dfeedbc079970a55d",
  "url": "https://osv.dev/vulnerability/CVE-2019-12468",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-12468",
    "summary": "An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.",
    "evidence": "osv:CVE-2019-12468",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-12468",
      "aliases": [
        "CVE-2019-12468",
        "GHSA-wrhx-3pxr-6vgg"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "758cd9d2371d529450448cdf7eb2f1f6e099cfee"
                },
                {
                  "last_affected": "66c3c50df50e3055f69932a90b7b465f43933d18"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.27.0"
                      },
                      {
                        "last_affected": "1.32.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12468.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:25.630345766Z",
      "provider": "osv",
      "references": [
        "https://lists.wikimedia.org/pipermail/mediawiki-announce/",
        "https://seclists.org/bugtraq/2019/Jun/12",
        "https://www.debian.org/security/2019/dsa-4460",
        "https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html",
        "https://phabricator.wikimedia.org/T197279"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-12468",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431406,
  "published_at": "2019-07-10T15:15:12.43+00:00"
}