Security advisory

{
  "id": "a8f1c9673e0ab5b80678f13c51407095dbc368642181b1035485804c0b7d66bf",
  "url": "https://osv.dev/vulnerability/CVE-2019-12471",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-12471",
    "summary": "Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.",
    "evidence": "osv:CVE-2019-12471",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-12471",
      "aliases": [
        "CVE-2019-12471",
        "GHSA-2rm7-xxx8-35jh"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wikimedia/mediawiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "830bb58fa2d24eb93d45135c6becd53f6c50d491"
                },
                {
                  "fixed": "49fde28a202bfbc89650908d8f5b55339d4bc8b6"
                },
                {
                  "introduced": "5cfc9accca2cc2fb94060c309d562913b7bed57c"
                },
                {
                  "fixed": "5951e3e30351dbef4afaceccad415b7702d49bc0"
                },
                {
                  "introduced": "0fbb878ef366477535a709b0c2564bdcf4b176d1"
                },
                {
                  "fixed": "a720399187069dd4134bdbcc33bce3fc09b7b658"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.30.0"
                      },
                      {
                        "fixed": "1.30.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.31.0"
                      },
                      {
                        "fixed": "1.31.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.32.0"
                      },
                      {
                        "fixed": "1.32.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.32.1",
            "1.32.0",
            "1.30.1",
            "1.31.1",
            "1.31.0",
            "1.30.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12471.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.002647669Z",
      "provider": "osv",
      "references": [
        "https://phabricator.wikimedia.org/T207603",
        "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"
      ],
      "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-2019-12471",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434820,
  "published_at": "2019-07-10T16:15:11.15+00:00"
}