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CVE-2021-25086

Status: ModifiedMedium (6.1)—

The Advanced Page Visit Counter WordPress plugin before 6.1.2 does not sanitise and escape some input before outputting it in an admin dashboard page, allowing unauthenticated attackers to perform Cross-Site Scripting attacks against admins viewing it

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Advanced Page Visit Counter Project — Advanced Page Visit Counter

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-25086",
  "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": "Advanced Page Visit Counter – Advanced WordPress Visit Counter",
          "versions": [
            {
              "status": "affected",
              "version": "6.1.2",
              "lessThan": "6.1.2",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-05-02T16:15:08.037",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/2cf9e517-d882-4af2-bd12-e700b75e7a11",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/2cf9e517-d882-4af2-bd12-e700b75e7a11",
      "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"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Advanced Page Visit Counter WordPress plugin before 6.1.2 does not sanitise and escape some input before outputting it in an admin dashboard page, allowing unauthenticated attackers to perform Cross-Site Scripting attacks against admins viewing it"
    },
    {
      "lang": "es",
      "value": "El plugin Advanced Page Visit Counter de WordPress anterior a la versión 6.1.2 no sanea y escapa de algunas entradas antes de mostrarlas en una página del panel de control del administrador, lo que permite a los atacantes no autentificados realizar ataques de Cross-Site Scripting contra los administradores que lo ven"
    }
  ],
  "lastModified": "2026-06-17T03:41:26.160",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:advanced_page_visit_counter_project:advanced_page_visit_counter:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "46A2FDCF-3771-4501-AC2D-9EDAEEE938D2",
              "versionEndExcluding": "6.1.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}