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CVE-2021-25046

Estado: ModificadaMedia (5.4)—

The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.

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)

Webnus — Modern Events Calendar Lite

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-25046",
  "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,
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      }
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          "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": "Modern Events Calendar Lite",
          "versions": [
            {
              "status": "affected",
              "version": "6.2.0",
              "lessThan": "6.2.0",
              "versionType": "custom"
            }
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  "published": "2022-01-17T13:15:07.967",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/19c2f456-a41e-4755-912d-13683719bae6",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/19c2f456-a41e-4755-912d-13683719bae6",
      "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 Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS."
    },
    {
      "lang": "es",
      "value": "El plugin Modern Events Calendar Lite de WordPress versiones anteriores a 6.2.0, permitía que cualquier usuario conectado, incluso un usuario suscriptor, pudiera añadir una categoría cuyos parámetros escapaban incorrectamente en el panel de administración, conllevando a un ataque de tipo XSS almacenado"
    }
  ],
  "lastModified": "2026-06-17T03:41:22.137",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "versionEndExcluding": "6.2.0"
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  "sourceIdentifier": "contact@wpscan.com"
}