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CVE-2021-24418

Estado: ModificadaMedia (4.8)—

The Smooth Scroll Page Up/Down Buttons WordPress plugin through 1.4 does not properly sanitise and validate its psb_positioning settings, allowing high privilege users such as admin to set an XSS payload in it, which will be executed in all pages of the blog

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)

Smooth Scroll Page Up/down Buttons Project — Smooth Scroll Page Up/down Buttons

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-24418",
  "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": "Mark Senff",
          "product": "Smooth Scroll Page Up/Down Buttons",
          "versions": [
            {
              "status": "affected",
              "version": "1.4",
              "versionType": "custom",
              "lessThanOrEqual": "1.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-07-12T20:15:08.867",
  "references": [
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-04-29%5D-%5BWordPress%5D-%5BCWE-79%5D-Smooth-Scroll-Page-UpDown-Buttons-WordPress-Plugin-v1.4.txt",
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/1512bba9-89e2-493d-b85d-10c7acb903db",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://m0ze.ru/vulnerability/%5B2021-04-29%5D-%5BWordPress%5D-%5BCWE-79%5D-Smooth-Scroll-Page-UpDown-Buttons-WordPress-Plugin-v1.4.txt",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wpscan.com/vulnerability/1512bba9-89e2-493d-b85d-10c7acb903db",
      "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 Smooth Scroll Page Up/Down Buttons WordPress plugin through 1.4 does not properly sanitise and validate its psb_positioning settings, allowing high privilege users such as admin to set an XSS payload in it, which will be executed in all pages of the blog"
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress Smooth Scroll Page Up/Down Buttons versiones hasta 1.4, no sanea o comprueba apropiadamente su configuración psb_positioning, permitiendo a usuarios con privilegios elevados, como el administrador, ajustar una carga útil XSS en ella, que será ejecutada en todas las páginas del blog"
    }
  ],
  "lastModified": "2026-06-17T03:39:59.630",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:smooth_scroll_page_up\\/down_buttons_project:smooth_scroll_page_up\\/down_buttons:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "568004E8-0158-4310-B5C9-5C368CE7FF1A",
              "versionEndIncluding": "1.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}