WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-96451",
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "dateUpdated": "2026-10-03T15:08:13.855Z",
    "dateReserved": "2026-09-23T09:45:05.264Z",
    "datePublished": "2026-10-03T15:08:13.855Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack",
        "dateUpdated": "2026-10-03T15:08:13.855Z"
      },
      "datePublic": "2026-10-01T14:14:29.000Z",
      "title": "WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability",
      "descriptions": [
        {
          "lang": "en",
          "value": "Authorization Bypass Through User-Controlled Key vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Authorization Bypass Through User-Controlled Key vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.<p>This issue affects Ultimate Member: from n/a through 2.13.1.</p>"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Ultimate Member",
          "product": "Ultimate Member",
          "collectionURL": "https://wordpress.org/plugins",
          "packageName": "ultimate-member",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "2.13.1"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Authorization Bypass Through User-Controlled Key",
              "cweId": "CWE-639",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-privilege-escalation-vulnerability?_s_id=cve",
          "tags": [
            "vdb-entry"
          ]
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ],
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH"
          }
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update the WordPress Ultimate Member plugin to the latest available version (at least 2.14.0).",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Update the WordPress Ultimate Member plugin to the latest available version (at least 2.14.0)."
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Intrudify | Patchstack Bug Bounty Program",
          "type": "finder"
        }
      ],
      "tags": [
        "x_open-source"
      ]
    }
  }
}