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CVE-2021-40902

Estado: ModificadaMedia (5.4)—

flatCore-CMS version 2.0.8 is affected by Cross Site Scripting (XSS) in the "Create New Page" option through the index 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)

Flatcore — Flatcore-cms

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-40902",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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,
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        "userInteractionRequired": true
      }
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    "cvssMetricV31": [
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          "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
      }
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  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      ]
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  ],
  "published": "2022-06-13T13:15:09.797",
  "references": [
    {
      "url": "https://github.com/flatCore/flatCore-CMS/issues/57",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/flatCore/flatCore-CMS/issues/57",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "flatCore-CMS version 2.0.8 is affected by Cross Site Scripting (XSS) in the \"Create New Page\" option through the index page."
    },
    {
      "lang": "es",
      "value": "flatCore-CMS versión 2.0.8, está afectada por un ataque de tipo Cross Site Scripting (XSS) en la opción \"Create New Page\" mediante la página de índice"
    }
  ],
  "lastModified": "2026-06-17T04:07:37.273",
  "configurations": [
    {
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        {
          "negate": false,
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  "sourceIdentifier": "cve@mitre.org"
}