FKIE_CVE-2021-24565

Vulnerability from fkie_nvd - Published: 2021-08-23 12:15 - Updated: 2026-06-17 03:40
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
The Contact Form 7 Captcha WordPress plugin before 0.0.9 does not have any CSRF check in place when saving its settings, allowing attacker to make a logged in user with the manage_options change them. Furthermore, the settings are not escaped when output in attributes, leading to a Stored Cross-Site Scripting issue.
References
contact@wpscan.comhttps://plugins.trac.wordpress.org/changeset/2570402Patch, Third Party Advisory
contact@wpscan.comhttps://wpscan.com/vulnerability/97bfef5e-2ee0-491a-a931-4f44c83e5be0Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://plugins.trac.wordpress.org/changeset/2570402Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/97bfef5e-2ee0-491a-a931-4f44c83e5be0Exploit, Third Party Advisory
Impacted products
Vendor Product Version
contact_form_7_captcha_project contact_form_7_captcha *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Contact Form 7 Captcha",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "0.0.9",
              "status": "affected",
              "version": "0.0.9",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:contact_form_7_captcha_project:contact_form_7_captcha:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "1018C327-109B-45F3-BDAD-B1065CF7DA55",
              "versionEndExcluding": "0.0.9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Contact Form 7 Captcha WordPress plugin before 0.0.9 does not have any CSRF check in place when saving its settings, allowing attacker to make a logged in user with the manage_options change them. Furthermore, the settings are not escaped when output in attributes, leading to a Stored Cross-Site Scripting issue."
    },
    {
      "lang": "es",
      "value": "El plugin Contact Form 7 Captcha WordPress versiones anteriores a 0.0.9, no presenta ninguna comprobaci\u00f3n de tipo CSRF cuando guarda su configuraci\u00f3n, permitiendo a un atacante hacer a un usuario conectado con la funci\u00f3n manage_options cambiarlas. Adem\u00e1s, las configuraciones no se escapan cuando salen en los atributos, conllevando a un problema de tipo Cross-Site Scripting Almacenado."
    }
  ],
  "id": "CVE-2021-24565",
  "lastModified": "2026-06-17T03:40:14.980",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-23T12:15:10.303",
  "references": [
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/changeset/2570402"
    },
    {
      "source": "contact@wpscan.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/97bfef5e-2ee0-491a-a931-4f44c83e5be0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/changeset/2570402"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://wpscan.com/vulnerability/97bfef5e-2ee0-491a-a931-4f44c83e5be0"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "source": "contact@wpscan.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.