Security advisory

{
  "id": "63304f1edb7e89c76f00257955723d322e04871d5307e8664b2e0363dc53c88f",
  "url": "https://osv.dev/vulnerability/CVE-2021-29483",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-29483",
    "summary": "ManageWiki is an extension to the MediaWiki project. The 'wikiconfig' API leaked the value of private configuration variables set through the ManageWiki variable to all users. This has been patched by https://github.com/miraheze/ManageWiki/compare/99f3b2c8af18...befb83c66f5b.patch. If you are unable to patch set `$wgAPIListModules['wikiconfig'] = 'ApiQueryDisabled';` or remove private config as a workaround.",
    "evidence": "osv:CVE-2021-29483",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-29483",
      "aliases": [
        "CVE-2021-29483",
        "GHSA-jmc9-rv2f-g8vv"
      ],
      "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/miraheze/managewiki",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "befb83c66f5b643e174897ea41a8a46679b26304"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "befb83c66f5b643e174897ea41a8a46679b26304"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29483.json"
          }
        }
      ],
      "modified": "2026-10-20T10:53:43.902122021Z",
      "provider": "osv",
      "references": [
        "https://phabricator.miraheze.org/T7213",
        "https://github.com/miraheze/ManageWiki/commit/befb83c66f5b643e174897ea41a8a46679b26304",
        "https://github.com/miraheze/ManageWiki/security/advisories/GHSA-jmc9-rv2f-g8vv"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:miraheze:managewiki:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "miraheze:managewiki",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2021-04-28"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-29483",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384552,
  "published_at": "2021-04-28T22:15:08.337+00:00"
}