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Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation

Type: advisorySources: OSV

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-3460
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 15:23 UTC · Revision 1

Source evidence

Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation

core-osv · Original source

Published 4 Jul 2023, 07:23 UTC

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.

osv:CVE-2023-3460
Complete source record
{
  "id": "fc8064ca85d1fac7bd48bd7ad7a12d2806f9cb9971f39b75eae31d0ceb824336",
  "url": "https://osv.dev/vulnerability/CVE-2023-3460",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation",
    "summary": "The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.",
    "evidence": "osv:CVE-2023-3460",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-3460",
      "aliases": [
        "CVE-2023-3460"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ultimatemember/ultimatemember",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0b05d05518492c35f522c077b01dbfa52176adeb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.6.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.6.6",
            "2.6.5",
            "2.6.4",
            "2.6.3",
            "2.6.2",
            "2.6.1",
            "2.6.0",
            "2.5.4",
            "2.5.3",
            "2.5.2",
            "2.5.1",
            "2.5.0",
            "2.4.2",
            "2.4.1",
            "2.4.0",
            "2.3.2",
            "2.3.1",
            "2.3.0",
            "2.2.5",
            "2.2.4",
            "2.2.3",
            "2.2.2",
            "2.2.1",
            "2.2.0",
            "2.1.20",
            "2.1.19",
            "2.1.18",
            "2.1.17",
            "2.1.16",
            "2.1.15",
            "2.1.14",
            "2.1.13",
            "2.1.12",
            "2.1.11",
            "2.1.10",
            "2.1.9",
            "2.1.8",
            "2.1.7",
            "2.1.6",
            "2.1.5",
            "2.1.4",
            "2.1.3",
            "2.1.3-rc.1",
            "2.1.2",
            "2.1.2-rc.1",
            "2.1.1",
            "2.1.0",
            "2.1.0-rc.2",
            "2.1.0-rc.1",
            "2.0.54",
            "2.0.53",
            "2.0.50",
            "2.0.49",
            "2.0.48",
            "2.0.47",
            "2.0.46",
            "2.0.45",
            "2.0.44",
            "2.0.43",
            "2.0.41",
            "2.0.39",
            "2.0.38",
            "2.0.37",
            "2.0.35",
            "2.0.34",
            "2.0.24",
            "2.0.17",
            "2.0.16",
            "2.0.11",
            "2.0.10",
            "2.0.9",
            "2.0.5",
            "2.0.4",
            "1.3.88",
            "1.3.88.6",
            "1.3.88.5",
            "1.3.88.4",
            "v1.3.88.3",
            "v1.3.88.2",
            "v1.3.88.1",
            "v1.3.84",
            "v1.3.83",
            "v1.3.82",
            "v1.3.81",
            "v1.3.79",
            "v1.3.78",
            "v1.3.76",
            "v1.3.75",
            "v1.3.74",
            "v1.3.73",
            "v1.3.72",
            "v1.3.71",
            "v1.3.69",
            "pre-v1.3.69.25",
            "pre-v1.3.69.24",
            "pre-v1.3.69.23",
            "pre-v1.3.69.22",
            "pre-v1.3.69.21",
            "pre-v1.3.69.20",
            "pre-v1.3.69.19",
            "pre-v1.3.69.18",
            "pre-v1.3.69.17",
            "pre-v1.3.69.16",
            "v1.3.68",
            "v1.3.67",
            "v1.3.66",
            "v1.3.65",
            "v1.3.64",
            "v1.3.63",
            "v1.3.62",
            "v1.3.61",
            "v1.3.60",
            "1.3.59",
            "v1.3.56",
            "v1.3.55",
            "v1.3.54",
            "v1.3.53",
            "v1.3.52",
            "v1.3.51",
            "pre-v1.3.50",
            "v1.3.49",
            "1.3.48",
            "v1.3.47",
            "v1.3.45",
            "v1.3.44",
            "v1.3.43",
            "v1.3.42",
            "v1.3.41",
            "v1.3.40",
            "v1.3.39",
            "v1.3.38",
            "v1.3.37",
            "v1.3.36",
            "v1.3.35",
            "v1.3.32",
            "v1.3.30",
            "v1.3.29"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3460.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.733015967Z",
      "provider": "osv",
      "references": [
        "https://wordpress.org/plugins",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3460.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-3460",
        "https://blog.wpscan.com/hacking-campaign-actively-exploiting-ultimate-member-plugin/",
        "https://wpscan.com/vulnerability/694235c7-4469-4ffd-a722-9225b19e98d7"
      ],
      "provider_metadata": {
        "cna_assigner": "WPScan",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2.6.7"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3460.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-3460",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 496782,
  "published_at": "2023-07-04T07:23:28.852+00:00"
}