Vulnerability from bitnami_vulndb
Published
2024-03-06 11:08
Modified
2025-05-20 10:02
Summary
WordPress < 6.3.2 - Unauthenticated Post Author Email Disclosure
Details

WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "wordpress",
        "purl": "pkg:bitnami/wordpress"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.7.0"
            },
            {
              "fixed": "4.7.27"
            },
            {
              "introduced": "4.8.0"
            },
            {
              "fixed": "4.8.23"
            },
            {
              "introduced": "4.9.0"
            },
            {
              "fixed": "4.9.24"
            },
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.0.20"
            },
            {
              "introduced": "5.1.0"
            },
            {
              "fixed": "5.1.17"
            },
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.2.19"
            },
            {
              "introduced": "5.3.0"
            },
            {
              "fixed": "5.3.16"
            },
            {
              "introduced": "5.4.0"
            },
            {
              "fixed": "5.4.14"
            },
            {
              "introduced": "5.5.0"
            },
            {
              "fixed": "5.5.13"
            },
            {
              "introduced": "5.6.0"
            },
            {
              "fixed": "5.6.12"
            },
            {
              "introduced": "5.7.0"
            },
            {
              "fixed": "5.7.10"
            },
            {
              "introduced": "5.8.0"
            },
            {
              "fixed": "5.8.8"
            },
            {
              "introduced": "5.9.0"
            },
            {
              "fixed": "5.9.8"
            },
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.0.6"
            },
            {
              "introduced": "6.1.0"
            },
            {
              "fixed": "6.1.4"
            },
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.2.3"
            },
            {
              "introduced": "6.3.0"
            },
            {
              "fixed": "6.3.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-5561"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack",
  "id": "BIT-wordpress-2023-5561",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T11:08:48.764Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5561"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "WordPress \u003c 6.3.2 - Unauthenticated Post Author Email Disclosure"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.