{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "User Registration \u0026 Membership",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "5.2.8",
              "status": "affected",
              "version": "4.4.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Karthik Ramakrishnan"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The User Registration \u0026 Membership  WordPress plugin before 5.2.8 does not check the capability of the user making a membership purchase, and does not validate the payment method or the plan submitted with it, allowing any authenticated user such as a subscriber to be granted the WordPress role attached to a paid plan without paying for it. Where the site owner has mapped a plan to a privileged role, this leads to privilege escalation up to administrator."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-13T06:00:08.312Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/0fb4ec40-3f92-4c7e-8877-8898b355d78d/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "User Registration \u0026 Membership \u003c 5.2.8 - Subscriber+ Privilege Escalation via Membership Purchase",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-86406",
    "datePublished": "2026-09-13T06:00:08.312Z",
    "dateReserved": "2026-09-07T12:04:24.688Z",
    "dateUpdated": "2026-09-13T06:00:08.312Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-86406\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-09-13T06:16:25.157\",\"lastModified\":\"2026-09-13T06:16:25.157\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The User Registration \u0026 Membership  WordPress plugin before 5.2.8 does not check the capability of the user making a membership purchase, and does not validate the payment method or the plan submitted with it, allowing any authenticated user such as a subscriber to be granted the WordPress role attached to a paid plan without paying for it. Where the site owner has mapped a plan to a privileged role, this leads to privilege escalation up to administrator.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"User Registration \u0026 Membership\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"4.4.6\",\"lessThan\":\"5.2.8\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://wpscan.com/vulnerability/0fb4ec40-3f92-4c7e-8877-8898b355d78d/\",\"source\":\"contact@wpscan.com\"}]}}"
  }
}