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CVE-2021-24945

Status: ModifiedHigh (8)—

The Like Button Rating ♥ LikeBtn WordPress plugin before 2.6.38 does not have any authorisation and CSRF checks in the likebtn_export_votes AJAX action, which could allow any authenticated user, such as subscriber, to get a list of email and IP addresses of people who liked content from the blog.

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)

Likebtn — Like Button Rating

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-24945",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.1
      }
    ]
  },
  "affected": [
    {
      "source": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Like Button Rating ♥ LikeBtn",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.38",
              "lessThan": "2.6.38",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-13T11:15:09.617",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/d7618061-a7fa-4da4-9384-be19bc5e8548",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/d7618061-a7fa-4da4-9384-be19bc5e8548",
      "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-200"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Like Button Rating ♥ LikeBtn WordPress plugin before 2.6.38 does not have any authorisation and CSRF checks in the likebtn_export_votes AJAX action, which could allow any authenticated user, such as subscriber, to get a list of email and IP addresses of people who liked content from the blog."
    },
    {
      "lang": "es",
      "value": "El plugin Like Button Rating ♥ LikeBtn de WordPress versiones anteriores a 2.6.38, no presenta comprobaciones de autorización y CSRF en la acción likebtn_export_votes AJAX, lo que podría permitir a cualquier usuario autenticado, como el suscriptor, conseguir una lista de direcciones de correo electrónico e IP de las personas a las que les ha gustado el contenido del blog"
    }
  ],
  "lastModified": "2026-06-17T03:41:10.590",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:likebtn:like_button_rating:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2C582F29-CAE1-4834-97DD-0AF333F3F5BE",
              "versionEndExcluding": "2.6.38"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}