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CVE-2021-24737

Estado: ModificadaMedia (4.8)—

The Comments – wpDiscuz WordPress plugin through 7.3.0 does not properly sanitise or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

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)

Gvectors — Wpdiscuz

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-24737",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Comments – wpDiscuz",
          "versions": [
            {
              "status": "affected",
              "version": "7.3.0",
              "versionType": "custom",
              "lessThanOrEqual": "7.3.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-11T11:15:09.480",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/f51a350c-c46d-4d52-b787-762283625d0b",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/f51a350c-c46d-4d52-b787-762283625d0b",
      "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-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Comments – wpDiscuz WordPress plugin through 7.3.0 does not properly sanitise or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed."
    },
    {
      "lang": "es",
      "value": "El plugin Comments - wpDiscuz de WordPress versiones hasta 7.3.0, no sanea o escapa adecuadamente de los mensajes Follow y Unfollow antes de mostrarlos en la página, que podría permitir a usuarios con altos privilegios llevar a cabo ataques de tipo Cross-Site Scripting  Almacenados incluso cuando la capacidad unfiltered_html está deshabilitada"
    }
  ],
  "lastModified": "2026-06-17T03:40:49.333",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A705BFD3-AF00-4B5E-804D-6556177D2010",
              "versionEndIncluding": "7.3.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}