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CVE-2022-1896

Estado: ModificadaMedia (4.8)—

The underConstruction WordPress plugin before 1.21 does not sanitise or escape the "Display a custom page using your own HTML" setting before outputting it, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiletred_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)

Underconstruction Project — Underconstruction

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-1896",
  "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": "underConstruction",
          "versions": [
            {
              "status": "affected",
              "version": "1.21",
              "lessThan": "1.21",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-06-20T11:15:10.390",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/3e8bd875-2435-4a15-8ee8-8a00882b499c",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/3e8bd875-2435-4a15-8ee8-8a00882b499c",
      "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 underConstruction WordPress plugin before 1.21 does not sanitise or escape the \"Display a custom page using your own HTML\" setting before outputting it, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiletred_html capability is disallowed."
    },
    {
      "lang": "es",
      "value": "El plugin underConstruction de WordPress versiones anteriores a 1.21, no sanea ni escapa del parámetro \"Display a custom page using your own HTML\" antes de emitirlo, lo que permite a usuarios muy privilegiados llevar a cabo ataques de tipo Cross-Site Scripting incluso cuando la capacidad unfiletred_html no está permitida"
    }
  ],
  "lastModified": "2026-06-17T04:23:18.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:underconstruction_project:underconstruction:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A3E502F0-0742-4C6F-AB1E-A73A7ABBDEE2",
              "versionEndExcluding": "1.21"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}