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CVE-2023-3460

Estado: ModificadaCrítica (9.8)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Ultimatemember — Ultimate Member

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-3460",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2023-3460",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
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              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-25T16:47:09.186881Z"
        }
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    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Ultimate Member",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.6.7",
              "versionType": "custom"
            }
          ],
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        }
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  ],
  "published": "2023-07-04T08:15:10.573",
  "references": [
    {
      "url": "https://blog.wpscan.com/hacking-campaign-actively-exploiting-ultimate-member-plugin/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "lastModified": "2026-06-17T06:14:08.980",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*",
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              "matchCriteriaId": "75BD85A8-4610-4E1D-8C7B-27B688CDF302",
              "versionEndExcluding": "2.6.7"
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}