Security advisory

{
  "id": "34da70af8de9c77dfa9be9d83d6781d8430533d466218e2990e014e90a27bc76",
  "url": "https://osv.dev/vulnerability/CVE-2017-5487",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-5487",
    "summary": "wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not properly restrict listings of post authors, which allows remote attackers to obtain sensitive information via a wp-json/wp/v2/users request.",
    "evidence": "osv:CVE-2017-5487",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-5487",
      "aliases": [
        "CVE-2017-5487"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wordpress/wordpress",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "14247ee4302378d292863865c643abe99bbfe3c7"
                },
                {
                  "fixed": "daf358983cc1ce0c77bf6d2de2ebbb43df2add60"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "daf358983cc1ce0c77bf6d2de2ebbb43df2add60"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.7.0",
            "4.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5487.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/wordpress/wordpress-develop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "efa83f48bd4ebd066e5efc94b9feefe50e7925a2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5487.json"
          }
        }
      ],
      "modified": "2026-10-24T10:47:30.291945034Z",
      "provider": "osv",
      "references": [
        "https://wpvulndb.com/vulnerabilities/8715",
        "https://www.exploit-db.com/exploits/41497/",
        "https://codex.wordpress.org/Version_4.7.1",
        "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/",
        "https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/",
        "https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-5487",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441282,
  "published_at": "2017-01-15T02:59:02.797+00:00"
}