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    2 vulnerabilities found for The Innovative Form Builder – IvyForms by melograno

    CVE-2026-109384 (GCVE-0-2026-109384)

    Vulnerability from nvd – Published: 2026-10-28 06:45 – Updated: 2026-10-28 06:45
    VLAI
    Title
    The Innovative Form Builder <= 1.5.1 - Authenticated (Custom+) Arbitrary File Upload via 'allowedFileExtensions' Configuration + Public /form/submission/ Multipart Upload
    Summary
    The The Innovative Form Builder – IvyForms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.5.1 via the filterFiletypeAndExt function. This is due to insufficient file type validation due to the absence of a dangerous-extension denylist in the allowed-extensions sanitizer and deliberate override of WordPress's native MIME and extension defences via a registered wp_check_filetype_and_ext filter. This makes it possible for authenticated attackers, with custom-level access and above, to upload files that may be executable, which makes remote code execution possible. An authenticated attacker with the custom add_edit_forms capability must first configure a File Upload field with a dangerous extension (e.g., php) in the allowed-extensions list; once that form is published, any unauthenticated visitor can trigger the actual file upload via the publicly accessible /wp-json/ivyforms/v1/form/submission/ REST route.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Wordfence CNA under the mitre root
    CNA scorecard C 65/100 over 2306 records in the last 180 days details
    References
    Impacted products
    Credits
    Wordfence PRISM
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "The Innovative Form Builder \u2013 IvyForms",
          "vendor": "melograno",
          "versions": [
            {
              "lessThanOrEqual": "1.5.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Wordfence PRISM"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The The Innovative Form Builder \u2013 IvyForms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.5.1 via the filterFiletypeAndExt function. This is due to insufficient file type validation due to the absence of a dangerous-extension denylist in the allowed-extensions sanitizer and deliberate override of WordPress\u0027s native MIME and extension defences via a registered wp_check_filetype_and_ext filter. This makes it possible for authenticated attackers, with custom-level access and above, to upload files that may be executable, which makes remote code execution possible. An authenticated attacker with the custom add_edit_forms capability must first configure a File Upload field with a dangerous extension (e.g., php) in the allowed-extensions list; once that form is published, any unauthenticated visitor can trigger the actual file upload via the publicly accessible /wp-json/ivyforms/v1/form/submission/ REST route."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T06:45:12.110Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/52ca2269-a7f4-477c-bacd-0321ad09e679?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFiletypeFilter.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFilePersister.php#L126"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFileValidator.php#L127"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Common/Sanitizer/Sanitizer.php#L839"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Routes/Form/Form.php#L246"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3757861%40ivyforms\u0026new=3757861%40ivyforms"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-12T14:50:19.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-10-27T18:14:34.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "The Innovative Form Builder \u003c= 1.5.1 - Authenticated (Custom+) Arbitrary File Upload via \u0027allowedFileExtensions\u0027 Configuration + Public /form/submission/ Multipart Upload"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-109384",
    "datePublished": "2026-10-28T06:45:12.110Z",
    "dateReserved": "2026-10-12T14:34:43.127Z",
    "dateUpdated": "2026-10-28T06:45:12.110Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-109384 (GCVE-0-2026-109384)

    Vulnerability from cvelistv5 – Published: 2026-10-28 06:45 – Updated: 2026-10-28 06:45
    VLAI
    Title
    The Innovative Form Builder <= 1.5.1 - Authenticated (Custom+) Arbitrary File Upload via 'allowedFileExtensions' Configuration + Public /form/submission/ Multipart Upload
    Summary
    The The Innovative Form Builder – IvyForms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.5.1 via the filterFiletypeAndExt function. This is due to insufficient file type validation due to the absence of a dangerous-extension denylist in the allowed-extensions sanitizer and deliberate override of WordPress's native MIME and extension defences via a registered wp_check_filetype_and_ext filter. This makes it possible for authenticated attackers, with custom-level access and above, to upload files that may be executable, which makes remote code execution possible. An authenticated attacker with the custom add_edit_forms capability must first configure a File Upload field with a dangerous extension (e.g., php) in the allowed-extensions list; once that form is published, any unauthenticated visitor can trigger the actual file upload via the publicly accessible /wp-json/ivyforms/v1/form/submission/ REST route.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Wordfence CNA under the mitre root
    CNA scorecard C 65/100 over 2306 records in the last 180 days details
    References
    Impacted products
    Credits
    Wordfence PRISM
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "The Innovative Form Builder \u2013 IvyForms",
          "vendor": "melograno",
          "versions": [
            {
              "lessThanOrEqual": "1.5.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Wordfence PRISM"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The The Innovative Form Builder \u2013 IvyForms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.5.1 via the filterFiletypeAndExt function. This is due to insufficient file type validation due to the absence of a dangerous-extension denylist in the allowed-extensions sanitizer and deliberate override of WordPress\u0027s native MIME and extension defences via a registered wp_check_filetype_and_ext filter. This makes it possible for authenticated attackers, with custom-level access and above, to upload files that may be executable, which makes remote code execution possible. An authenticated attacker with the custom add_edit_forms capability must first configure a File Upload field with a dangerous extension (e.g., php) in the allowed-extensions list; once that form is published, any unauthenticated visitor can trigger the actual file upload via the publicly accessible /wp-json/ivyforms/v1/form/submission/ REST route."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T06:45:12.110Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/52ca2269-a7f4-477c-bacd-0321ad09e679?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFiletypeFilter.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFilePersister.php#L126"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Services/Submission/SubmissionUploadFileValidator.php#L127"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Common/Sanitizer/Sanitizer.php#L839"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/ivyforms/tags/1.5.1/backend/src/Routes/Form/Form.php#L246"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3757861%40ivyforms\u0026new=3757861%40ivyforms"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-12T14:50:19.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-10-27T18:14:34.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "The Innovative Form Builder \u003c= 1.5.1 - Authenticated (Custom+) Arbitrary File Upload via \u0027allowedFileExtensions\u0027 Configuration + Public /form/submission/ Multipart Upload"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-109384",
    "datePublished": "2026-10-28T06:45:12.110Z",
    "dateReserved": "2026-10-12T14:34:43.127Z",
    "dateUpdated": "2026-10-28T06:45:12.110Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}