Description
The Super Forms – Drag & Drop Form Builder plugin for WordPress is vulnerable to Arbitrary Directory Deletion in all versions up to, and including, 6.3.316 via the submit_form function. This is due to insufficient validation of attacker-controlled JSON field declarations against the actual form schema, combined with a non-effective ABSPATH guard that dirname() trivially bypasses by stripping the trailing slash. This makes it possible for unauthenticated attackers to recursively delete arbitrary directories on the server, including the WordPress root directory. Exploitation requires that an administrator has enabled the 'Delete files from server after form submissions' setting, though this is a documented and commonly-enabled feature.
Published: 2026-10-08
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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History

Fri, 09 Oct 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Webrehab
Webrehab super Forms – Drag & Drop Form Builder
Wordpress-extensions
Wordpress-extensions super Forms
Vendors & Products Webrehab
Webrehab super Forms – Drag & Drop Form Builder
Wordpress-extensions
Wordpress-extensions super Forms

Thu, 08 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
Description The Super Forms – Drag & Drop Form Builder plugin for WordPress is vulnerable to Arbitrary Directory Deletion in all versions up to, and including, 6.3.316 via the submit_form function. This is due to insufficient validation of attacker-controlled JSON field declarations against the actual form schema, combined with a non-effective ABSPATH guard that dirname() trivially bypasses by stripping the trailing slash. This makes it possible for unauthenticated attackers to recursively delete arbitrary directories on the server, including the WordPress root directory. Exploitation requires that an administrator has enabled the 'Delete files from server after form submissions' setting, though this is a documented and commonly-enabled feature.
Title Super Forms <= 6.3.316 - Unauthenticated Arbitrary Directory Deletion via 'data[...][files][][subdir]' Parameter
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}


Subscriptions

Webrehab Super Forms – Drag & Drop Form Builder
Wordpress-extensions Super Forms
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-08T04:28:51.521Z

Reserved: 2026-07-27T17:19:33.878Z

Link: CVE-2026-17609

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-08T05:17:04.793

Modified: 2026-10-08T17:24:11.230

Link: CVE-2026-17609

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T08:13:46Z

Weaknesses