FKIE_CVE-2021-42358

Vulnerability from fkie_nvd - Published: 2021-11-29 19:15 - Updated: 2026-06-17 04:09
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 With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.6.2.
References
security@wordfence.comhttps://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17Third Party Advisory
security@wordfence.comhttps://wordfence.com/vulnerability-advisories/#CVE-2021-42358Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wordfence.com/vulnerability-advisories/#CVE-2021-42358Third Party Advisory
Impacted products
Vendor Product Version
contact_form_with_captcha_project contact_form_with_captcha *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Contact Form With Captcha",
          "vendor": "Contact Form With Captcha",
          "versions": [
            {
              "lessThanOrEqual": "1.6.2",
              "status": "affected",
              "version": "1.6.2",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:contact_form_with_captcha_project:contact_form_with_captcha:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "BF3BF5ED-C388-48FE-9E6D-1413A71B1707",
              "versionEndIncluding": "1.6.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Contact Form With Captcha WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation in the ~/cfwc-form.php file during contact form submission, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 1.6.2."
    },
    {
      "lang": "es",
      "value": "El plugin Contact Form With Captcha de WordPress es vulnerable a un ataque de tipo Cross-Site Request Forgery debido a una falta de comprobaci\u00f3n de nonce en el archivo ~/cfwc-form.php durante el env\u00edo del formulario de contacto, que permite a atacantes inyectar scripts web arbitrarios en versiones hasta 1.6.2 incluy\u00e9ndola"
    }
  ],
  "id": "CVE-2021-42358",
  "lastModified": "2026-06-17T04:09:41.080",
  "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": "security@wordfence.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-42358",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-13T20:49:12.757685Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-11-29T19:15:07.687",
  "references": [
    {
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17"
    },
    {
      "source": "security@wordfence.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://wordfence.com/vulnerability-advisories/#CVE-2021-42358"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://plugins.trac.wordpress.org/browser/contact-form-with-captcha/trunk/cfwc-form.php#L17"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://wordfence.com/vulnerability-advisories/#CVE-2021-42358"
    }
  ],
  "sourceIdentifier": "security@wordfence.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "source": "security@wordfence.com",
      "type": "Secondary"
    }
  ]
}



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