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CVE-2021-40238

Estado: ModificadaMedia (6.1)—

A Cross Site Scriptiong (XSS) vulnerability exists in the admin panel in Webuzo < 2.9.0 via an HTTP request to a non-existent page, which is activated by administrators viewing the "Error Log" page. An attacker can leverage this to achieve Unauthenticated Remote Code Execution via the "Cron Jobs" functionality of Webuzo.

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)

Webuzo — Webuzo

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-40238",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-15T17:15:10.747",
  "references": [
    {
      "url": "https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8e",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.webuzo.com/blog/webuzo-2-9-0-launched/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8e",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.webuzo.com/blog/webuzo-2-9-0-launched/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Cross Site Scriptiong (XSS) vulnerability exists in the admin panel in Webuzo < 2.9.0 via an HTTP request to a non-existent page, which is activated by administrators viewing the \"Error Log\" page. An attacker can leverage this to achieve Unauthenticated Remote Code Execution via the \"Cron Jobs\" functionality of Webuzo."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de tipo Cross Site Scripting (XSS) en el panel de administración de Webuzo versiones anteriores a 2.9.0, por medio de una petición HTTP a una página no existente, que es activada por los administradores que visualizan la página \"Error Log\". Un atacante puede aprovechar esto para lograr una ejecución de código remota sin autenticación por medio de la funcionalidad \"Cron Jobs\" de Webuzo"
    }
  ],
  "lastModified": "2026-06-17T04:06:40.363",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:webuzo:webuzo:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C9E5166C-BF44-440F-AA92-7AFCFA8BEADB",
              "versionEndExcluding": "2.9.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}