EUVD-2026-56928
GHSA-vgm7-9pjc-5gcf
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network request against a public form with no interaction (PR:N/UI:N/AC:L); arbitrary deletion of wp-config.php enables full takeover, justifying C:H/I:H/A:H.
Primary rating from Vendor (wordfence).
CVSS VectorVendor: wordfence
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
Articles & Coverage 2
AnalysisAI
Arbitrary file deletion in the Formidable Digital Signatures plugin for WordPress (all versions through 3.0.6) lets unauthenticated attackers delete server files by passing an attacker-controlled path in item_meta[field_id][content] together with the delete_saved_image flag during normal anonymous form submission. Because deleting wp-config.php can force WordPress back into its setup routine, this file-deletion primitive escalates to full site takeover, which is why it carries a CVSS 9.8. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires that the target WordPress site runs Formidable Digital Signatures ≤ 3.0.6 and exposes at least one form that accepts anonymous (unauthenticated) submissions and reaches the signature-save flow. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H = 9.8) reflects a genuinely low bar: network-reachable, no authentication, no user interaction, against any form accepting anonymous submissions - a common default for contact/signature forms. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker locates a public WordPress form built with Formidable that includes a signature field and submits a normal entry-creation POST, setting the delete_saved_image flag and placing a traversal path such as '../../../../wp-config.php' in item_meta[field_id][content]. The plugin deletes the targeted file; with wp-config.php removed, the attacker reloads the site into its installation wizard and reconfigures it against an attacker-controlled database to gain administrator access. … |
| Remediation | Vendor-released patch: upgrade the Formidable Digital Signatures plugin to version 3.1 or later, per the vendor changelog at https://formidableforms.com/changelog/digital-signature-forms-3-1/ (advisory: https://www.wordfence.com/threat-intel/vulnerabilities/id/c9a5f8ca-7efc-401b-8a93-07fbe7204dce). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Immediately deactivate and remove the Formidable Digital Signatures plugin from all affected WordPress installations. …
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