FKIE_CVE-2017-5487

Vulnerability from fkie_nvd - Published: 2017-01-15 02:59 - Updated: 2026-06-17 01:20
Severity
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2017/01/14/6Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/95391
cve@mitre.orghttp://www.securitytracker.com/id/1037591
cve@mitre.orghttps://codex.wordpress.org/Version_4.7.1Release Notes, Vendor Advisory
cve@mitre.orghttps://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60Patch
cve@mitre.orghttps://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/Vendor Advisory
cve@mitre.orghttps://wpvulndb.com/vulnerabilities/8715
cve@mitre.orghttps://www.exploit-db.com/exploits/41497/
cve@mitre.orghttps://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2017/01/14/6Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95391
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037591
af854a3a-2127-422b-91ae-364da2661108https://codex.wordpress.org/Version_4.7.1Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60Patch
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpvulndb.com/vulnerabilities/8715
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/41497/
af854a3a-2127-422b-91ae-364da2661108https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/Third Party Advisory
Impacted products
Vendor Product Version
wordpress wordpress *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C55F44C-4A71-4C47-9908-071A23D46939",
              "versionEndIncluding": "4.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php en la implementaci\u00f3n REST API en WordPress 4.7 en versiones anteriores a 4.7.1 no restringe adecuadamente los listados de autores de publicaci\u00f3n, lo que permite a atacantes remotos obtener informaci\u00f3n sensible a trav\u00e9s de una petici\u00f3n wp-json/wp/v2/users."
    }
  ],
  "id": "CVE-2017-5487",
  "lastModified": "2026-06-17T01:20:35.733",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-01-15T02:59:02.797",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/95391"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1037591"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://codex.wordpress.org/Version_4.7.1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://wpvulndb.com/vulnerabilities/8715"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.exploit-db.com/exploits/41497/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2017/01/14/6"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/95391"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1037591"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://codex.wordpress.org/Version_4.7.1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://wpvulndb.com/vulnerabilities/8715"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.exploit-db.com/exploits/41497/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

Author Source Type Date Other

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.
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  • 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.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.