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CVE-2021-24883

Estado: ModificadaMedia (5.4)—

The Popup Anything WordPress plugin before 2.0.4 does not escape the Link Text and Button Text fields of Popup, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks

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)

Essentialplugin — Popup Anything

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-24883",
  "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": 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
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Popup Anything – A Marketing Popup",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.4",
              "lessThan": "2.0.4",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-11-29T09:15:07.743",
  "references": [
    {
      "url": "https://plugins.trac.wordpress.org/changeset/2610975",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/c5dd3812-ea20-4e05-a5d3-84830b452822",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://www.fortiguard.com/zeroday/FG-VD-21-069",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://plugins.trac.wordpress.org/changeset/2610975",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/c5dd3812-ea20-4e05-a5d3-84830b452822",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.fortiguard.com/zeroday/FG-VD-21-069",
      "tags": [
        "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 Popup Anything WordPress plugin before 2.0.4 does not escape the Link Text and Button Text fields of Popup, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks"
    },
    {
      "lang": "es",
      "value": "El plugin Popup Anything de WordPress versiones anteriores a 2.0.4, no escapa los campos Link Text y Button Text del Popup, que podría permitir a usuarios con un rol tan bajo como el de Contributor llevar a cabo ataques de tipo Cross-Site Scripting"
    }
  ],
  "lastModified": "2026-06-17T03:41:04.557",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:essentialplugin:popup_anything:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0EC2A99E-C58C-454C-8403-48367C1A1089",
              "versionEndExcluding": "2.0.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}