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CVE-2021-24741

Estado: ModificadaCrítica (9.8)—

The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.

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)

Schiocco — Support Board - Chat AND Help Desk

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24741",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "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": "Support Board",
          "versions": [
            {
              "status": "affected",
              "version": "3.3.4",
              "lessThan": "3.3.4",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-20T10:15:09.857",
  "references": [
    {
      "url": "https://board.support/changes",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9",
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://board.support/changes",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://medium.com/%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "contact@wpscan.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users."
    },
    {
      "lang": "es",
      "value": "El plugin Support Board de WordPress versiones anteriores a 3.3.4, no escapa de múltiples parámetros POST (como status_code, department, user_id, conversation_id, conversation_status_code, y recipient_id) antes de usarlos en sentencias SQL, conllevando a inyecciones SQL explotables por usuarios no autenticados"
    }
  ],
  "lastModified": "2026-06-17T03:40:49.733",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:schiocco:support_board_-_chat_and_help_desk:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6939FEC2-E2C7-4756-A448-21A17E791A6C",
              "versionEndExcluding": "3.3.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}