WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink

{
  "id": "09ab080284617c5e3a00561b469215bc0138d5980e2fe8f65c6ab6777e1ea4ae",
  "url": "https://osv.dev/vulnerability/CVE-2023-5692",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink",
    "summary": "WordPress Core is vulnerable to Sensitive Information Exposure in versions up to, and including, 6.4.3 via the redirect_guess_404_permalink function. This can allow unauthenticated attackers to expose the slug of a custom post whose 'publicly_queryable' post status has been set to 'false'.",
    "evidence": "osv:CVE-2023-5692",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-5692",
      "aliases": [
        "BIT-wordpress-2023-5692",
        "BIT-wordpress-multisite-2023-5692",
        "CVE-2023-5692"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wordpress/wordpress-develop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9e9559d6d6bd2327dee822c305b2905b65a91ef2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.4.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.4.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5692.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.316903793Z",
      "provider": "osv",
      "references": [
        "https://core.trac.wordpress.org/changeset/57645",
        "https://developer.wordpress.org/reference/functions/is_post_publicly_viewable/",
        "https://developer.wordpress.org/reference/functions/is_post_type_viewable/",
        "https://github.com/WordPress/wordpress-develop/blob/6.3/src/wp-includes/canonical.php#L763",
        "https://www.wordfence.com/threat-intel/vulnerabilities/id/6e6f993b-ce09-4050-84a1-cbe9953f36b1?source=cve",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5692.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-5692"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "cna_assigner": "Wordfence",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5692.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-5692",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498033,
  "published_at": "2024-04-05T12:52:32.816+00:00"
}