CVE-2024-9417: hash form File Upload RCE — Fix

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.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
hashthemes	hash_form	< 1.2.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3161828/

Other 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://www.wordfence.com/threat-intel/vulnerabilities/id/cad7731a-1f81-4055-9b49-15b35edd3fcf?source=cve

Frequently Asked Questions

What is CVE-2024-9417? +

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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-9417? +

CVE-2024-9417 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-9417? +

CVE-2024-9417 affects products from hashthemes, specifically: hash_form. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-9417? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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