Vulnerability-Lookup

GHSA-VGM7-9PJC-5GCF

Vulnerability from github – Published: 2026-08-11 21:33 – Updated: 2026-08-11 21:33

Details

The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled filename in the item_meta[field_id][content] parameter alongside the delete_saved_image flag during the standard entry-creation POST flow on any form that accepts anonymous submissions.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-16230"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-23"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-11T20:17:27Z",
    "severity": "CRITICAL"
  },
  "details": "The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled filename in the item_meta[field_id][content] parameter alongside the delete_saved_image flag during the standard entry-creation POST flow on any form that accepts anonymous submissions.",
  "id": "GHSA-vgm7-9pjc-5gcf",
  "modified": "2026-08-11T21:33:09Z",
  "published": "2026-08-11T21:33:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16230"
    },
    {
      "type": "WEB",
      "url": "https://formidableforms.com"
    },
    {
      "type": "WEB",
      "url": "https://formidableforms.com/changelog/digital-signature-forms-3-1"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c9a5f8ca-7efc-401b-8a93-07fbe7204dce?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-16230 (GCVE-0-2026-16230)

Vulnerability from cvelistv5 – Published: 2026-08-11 19:37 – Updated: 2026-08-11 21:03

Title

Formidable Digital Signatures <= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field

Summary

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-11 21:03 UTC

CWE

CWE-23 - Relative Path Traversal

Assigner

Wordfence mitre root

References

3 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://formidableforms.com/
https://formidableforms.com/changelog/digital-sig…

Impacted products

1 product

Vendor	Product	Version
Strategy11	Formidable Digital Signatures	Affected: 0 , ≤ 3.0.6 (semver)

Credits

Rafie Muhammad

Show details on NVD website

JSON

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  "containers": {
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      {
        "metrics": [
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            "other": {
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                "id": "CVE-2026-16230",
                "options": [
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                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-11T21:03:29.644869Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    "cna": {
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              "status": "affected",
              "version": "0",
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            }
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        }
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      "credits": [
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          "type": "finder",
          "value": "Rafie Muhammad"
        }
      ],
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          "value": "The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled filename in the item_meta[field_id][content] parameter alongside the delete_saved_image flag during the standard entry-creation POST flow on any form that accepts anonymous submissions."
        }
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      "metrics": [
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            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          }
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          "descriptions": [
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      "providerMetadata": {
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        },
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          "url": "https://formidableforms.com/"
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          "url": "https://formidableforms.com/changelog/digital-signature-forms-3-1/"
        }
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          "lang": "en",
          "time": "2026-07-29T11:36:12.000Z",
          "value": "Vendor Notified"
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          "lang": "en",
          "time": "2026-08-11T06:34:15.000Z",
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      "title": "Formidable Digital Signatures \u003c= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field"
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.