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CVE-2021-46781

Estado: ModificadaMedia (6.1)—

The Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter before outputting it back in an attribute in the admin dashboard, leading to a Reflected Cross-Site Scripting

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)

Subsystic — Coming Soon

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-46781",
  "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": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Coming Soon by Supsystic",
          "versions": [
            {
              "status": "affected",
              "version": "1.7.6",
              "lessThan": "1.7.6",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-04-25T16:16:07.353",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/49589867-f764-4c4a-b640-84973c673b23",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/49589867-f764-4c4a-b640-84973c673b23",
      "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 Coming Soon by Supsystic WordPress plugin before 1.7.6 does not sanitise and escape the tab parameter before outputting it back in an attribute in the admin dashboard, leading to a Reflected Cross-Site Scripting"
    },
    {
      "lang": "es",
      "value": "El plugin Coming Soon by Supsystic de WordPress versiones anteriores a 1.7.6, no sanea y escapa del parámetro tab antes de devolverlo a un atributo en el panel de administración, conllevando a un ataque de tipo Cross-Site Scripting Reflejado"
    }
  ],
  "lastModified": "2026-06-17T04:15:33.860",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:subsystic:coming_soon:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9ACF2F42-5894-4929-AF2F-B88CD0E2163C",
              "versionEndExcluding": "1.7.6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}