CVE-2026-46721

{
  "id": "CVE-2026-46721",
  "sourceIdentifier": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
  "published": "2026-05-19T10:16:24.853",
  "lastModified": "2026-10-26T13:10:00.140",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups."
    },
    {
      "lang": "es",
      "value": "Los flujos de creación y edición no restringen qué propiedades de usuario pueden enviarse y no aplican control de acceso en la asignación de grupos de usuarios de frontend. Como resultado, un atacante puede asignar un grupo de usuarios de frontend arbitrario a una cuenta recién registrada o editada, obteniendo acceso no autorizado a contenido y funcionalidades restringidos a grupos de usuarios de frontend privilegiados."
    }
  ],
  "affected": [
    {
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "affectedData": [
        {
          "vendor": "TYPO3",
          "product": "Extension \"Frontend User Registration\"",
          "defaultStatus": "unaffected",
          "collectionURL": "https://packagist.org/",
          "packageName": "evoweb/sf-register",
          "repo": "https://github.com/evoWeb/sf_register",
          "versions": [
            {
              "version": "14.0.0",
              "lessThan": "14.0.2",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "13.2.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-19T13:21:27.294366Z",
          "id": "CVE-2026-46721",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        },
        {
          "lang": "en",
          "value": "CWE-915"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-009",
      "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a"
    }
  ]
}