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CVE-2021-24821

Estado: ModificadaMedia (5.4)—

The Cost Calculator WordPress plugin before 1.6 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the Description fields of a Cost Calculator > Price Settings (which gets injected on the edit page as well as any page that embeds the calculator using the shortcode), as well as the Text Preview field of a Project (injected on the edit project page)

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)

Nicdark — Cost Calculator

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-24821",
  "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": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Cost Calculator",
          "versions": [
            {
              "status": "affected",
              "version": "1.6",
              "lessThan": "1.6",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-03-07T09:15:08.090",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/f0915b66-0b99-4aeb-9fba-759cafaeb0cb",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/f0915b66-0b99-4aeb-9fba-759cafaeb0cb",
      "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"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Cost Calculator WordPress plugin before 1.6 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the Description fields of a Cost Calculator > Price Settings (which gets injected on the edit page as well as any page that embeds the calculator using the shortcode), as well as the Text Preview field of a Project (injected on the edit project page)"
    },
    {
      "lang": "es",
      "value": "El plugin Cost Calculator de WordPress versiones anteriores a 1.6, permite a usuarios con un rol tan bajo como el de Contribuyente llevar a cabo ataques de tipo Cross-Site Scripting Almacenado por medio de los campos Description de Cost Calculator ) Price Settings (que es inyectado en la página de edición así como en cualquier página que incorpore la calculadora usando el shortcode), así como el campo Text Preview de un Project (inyectado en la página de edición del proyecto)"
    }
  ],
  "lastModified": "2026-06-17T03:40:57.920",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nicdark:cost_calculator:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D1C98A48-17D9-4E6D-9576-DD171657760C",
              "versionEndExcluding": "1.6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}