CVE-2023-6733 (GCVE-0-2023-6733)

Vulnerability from cvelistv5 – Published: 2024-01-04 03:30 – Updated: 2026-04-08 16:49
VLAI
Title
WP-Members Membership Plugin <= 3.4.8 - Missing Authorization to Sensitive Information Exposure
Summary
The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-04 14:48 UTC
CWE
  • CWE-284 - Improper Access Control
Assigner
References
Impacted products
Vendor Product Version CPE status
cbutlerjr WP-Members Membership Plugin Affected: 0 , ≤ 3.4.8 (semver)
guessed Create a notification for this product.
Credits
Francesco Carlucci
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:35:14.905Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-6733",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-04T14:48:46.190136Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-17T20:29:11.223Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "WP-Members Membership Plugin",
          "vendor": "cbutlerjr",
          "versions": [
            {
              "lessThanOrEqual": "3.4.8",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Francesco Carlucci"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284 Improper Access Control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T16:49:53.302Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-01-03T00:00:00.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "WP-Members Membership Plugin \u003c= 3.4.8 - Missing Authorization to Sensitive Information Exposure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2023-6733",
    "datePublished": "2024-01-04T03:30:12.554Z",
    "dateReserved": "2023-12-12T15:18:41.225Z",
    "dateUpdated": "2026-04-08T16:49:53.302Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-6733",
      "date": "2026-09-24",
      "epss": "0.0044",
      "percentile": "0.35532"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:butlerblog:wp-members:*:*:*:*:*:wordpress:*:*",
                  "matchCriteriaId": "AEAE922D-FAB7-431C-9DD2-BAA10B8A7C46",
                  "versionEndIncluding": "3.4.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more."
        },
        {
          "lang": "es",
          "value": "El complemento WP-Members Membership Plugin para WordPress es vulnerable a la exposici\u00f3n de informaci\u00f3n confidencial en todas las versiones hasta la 3.4.8 incluida a trav\u00e9s del c\u00f3digo corto wpmem_field. Esto hace posible que atacantes autenticados, con acceso de colaborador y superior, extraigan datos confidenciales, incluidos correos electr\u00f3nicos de usuarios, hashes de contrase\u00f1as, nombres de usuarios y m\u00e1s."
        }
      ],
      "id": "CVE-2023-6733",
      "lastModified": "2024-11-21T08:44:26.820",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 3.6,
            "source": "security@wordfence.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2024-01-04T04:15:09.550",
      "references": [
        {
          "source": "security@wordfence.com",
          "tags": [
            "Patch"
          ],
          "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
        },
        {
          "source": "security@wordfence.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Patch"
          ],
          "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
        }
      ],
      "sourceIdentifier": "security@wordfence.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-862"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "WP-Members Membership Plugin",
                "vendor": "cbutlerjr",
                "versions": [
                  {
                    "lessThanOrEqual": "3.4.8",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@wordfence.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:butlerblog:wp-members:*:*:*:*:*:wordpress:*:*",
                    "matchCriteriaId": "AEAE922D-FAB7-431C-9DD2-BAA10B8A7C46",
                    "versionEndIncluding": "3.4.8",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more."
          },
          {
            "lang": "es",
            "value": "El complemento WP-Members Membership Plugin para WordPress es vulnerable a la exposici\u00f3n de informaci\u00f3n confidencial en todas las versiones hasta la 3.4.8 incluida a trav\u00e9s del c\u00f3digo corto wpmem_field. Esto hace posible que atacantes autenticados, con acceso de colaborador y superior, extraigan datos confidenciales, incluidos correos electr\u00f3nicos de usuarios, hashes de contrase\u00f1as, nombres de usuarios y m\u00e1s."
          }
        ],
        "id": "CVE-2023-6733",
        "lastModified": "2026-06-17T06:51:19.360",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "security@wordfence.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-6733",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-04T14:48:46.190136Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-01-04T04:15:09.550",
        "references": [
          {
            "source": "security@wordfence.com",
            "tags": [
              "Patch"
            ],
            "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
          },
          {
            "source": "security@wordfence.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
          }
        ],
        "sourceIdentifier": "security@wordfence.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-284"
              }
            ],
            "source": "security@wordfence.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-04-08T19:41:36+00:00",
      "cve": "CVE-2023-6733",
      "id": "CVE-2023-6733",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "WP-Members Membership Plugin \u003c= 3.4.8 - Missing Authorization to Sensitive Information Exposure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-6733.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T08:35:14.905Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
              },
              {
                "tags": [
                  "x_transferred"
                ],
                "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-6733",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-01-04T14:48:46.190136Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-06-17T20:25:04.759Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "WP-Members Membership Plugin",
              "vendor": "cbutlerjr",
              "versions": [
                {
                  "lessThanOrEqual": "3.4.8",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Francesco Carlucci"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-284",
                  "description": "CWE-284 Improper Access Control",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-08T16:49:53.302Z",
            "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
            "shortName": "Wordfence"
          },
          "references": [
            {
              "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve"
            },
            {
              "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3015224%40wp-members%2Ftrunk\u0026old=2920897%40wp-members%2Ftrunk\u0026sfp_email=\u0026sfph_mail="
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2024-01-03T00:00:00.000Z",
              "value": "Disclosed"
            }
          ],
          "title": "WP-Members Membership Plugin \u003c= 3.4.8 - Missing Authorization to Sensitive Information Exposure"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "assignerShortName": "Wordfence",
        "cveId": "CVE-2023-6733",
        "datePublished": "2024-01-04T03:30:12.554Z",
        "dateReserved": "2023-12-12T15:18:41.225Z",
        "dateUpdated": "2026-04-08T16:49:53.302Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.
  • 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.



Related by attack behaviour

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.