Security advisory

{
  "id": "9b3dd5bf89a02a626d2fc57cd772a4adc22812bdde8ea43c18c64f28c8037923",
  "url": "https://osv.dev/vulnerability/CVE-2019-9881",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-9881",
    "summary": "The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even when 'allow comment' is disabled.",
    "evidence": "osv:CVE-2019-9881",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-9881",
      "aliases": [
        "CVE-2019-9881"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wp-graphql/wp-graphql",
              "type": "GIT",
              "events": [
                {
                  "introduced": "beb42d76aeeeafe66ff278b82b3fd8a5bf5fb129"
                },
                {
                  "last_affected": "beb42d76aeeeafe66ff278b82b3fd8a5bf5fb129"
                },
                {
                  "fixed": "6379a6203da74f283a1211db61d530c2393c161a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wpengine:wpgraphql:0.2.3:*:*:*:*:wordpress:*:*",
                    "range": [
                      {
                        "introduced": "0.2.3"
                      },
                      {
                        "last_affected": "0.2.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6379a6203da74f283a1211db61d530c2393c161a"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.3.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.2.3",
            "v0.2.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9881.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:03.955058643Z",
      "provider": "osv",
      "references": [
        "https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0",
        "https://wpvulndb.com/vulnerabilities/9282",
        "https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py",
        "https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-9881",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382458,
  "published_at": "2019-06-10T18:29:01.237+00:00"
}