What’s Vulnerable › Vulnerabilities

CVE-2024-9417: Hash Form - Drag & Drop Form Builder <= 1.1.9 - Unauthenticated Limited File Upload

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-05 · updated 2026-06-17
• Weakness: CWE-434

Description

The Hash Form – Drag & Drop Form Builder plugin for WordPress is vulnerable to limited file uploads due to a misconfigured file type validation in the 'handleUpload' function in all versions up to, and including, 1.1.9. This makes it possible for unauthenticated attackers to upload files that are excluded from both the 'allowedExtensions' and 'unallowed_extensions' arrays on the affected site's server, including files that may contain cross-site scripting.

Affected products

• hashthemes Hash Form – Drag & Drop Form Builder: before 1.2.0 — fixed in 1.2.0

How to fix

Upgrade to a fixed version: hashthemes Hash Form – Drag & Drop Form Builder 1.2.0. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/hash-form/trunk/admin/classes/HashFormUploader.php#L107
• https://plugins.trac.wordpress.org/browser/hash-form/trunk/admin/classes/HashFormUploader.php#L135
• https://plugins.trac.wordpress.org/changeset/3161828/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/cad7731a-1f81-4055-9b49-15b35edd3fcf?source=cve

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