CVE-2023-0714: metform elementor File Upload RCE — Fix

Description

The Metform Elementor Contact Form Builder for WordPress is vulnerable to Arbitrary File Upload due to insufficient file type validation in versions up to, and including, 3.2.4. This allows unauthenticated visitors to perform a "double extension" attack and upload files containing a malicious extension but ending with a benign extension, which may make remote code execution possible in some configurations.

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
wpmet	metform_elementor_contact_form_builder	< 3.3.0

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/2896914/

Other References

https://plugins.trac.wordpress.org/browser/metform/trunk/core/entries/file-data-validation.php?rev=2746287 https://www.wordfence.com/threat-intel/vulnerabilities/id/697ce433-f321-4977-a2ad-68369d9ce9c3?source=cve

Frequently Asked Questions

What is CVE-2023-0714? +

The Metform Elementor Contact Form Builder for WordPress is vulnerable to Arbitrary File Upload due to insufficient file type validation in versions up to, and including, 3.2.4. This allows unauthenticated visitors to perform a "double extension" attack and upload files containing a malicious extension but ending with a benign extension, which may make remote code execution possible in some configurations. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2023-0714? +

CVE-2023-0714 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-0714? +

CVE-2023-0714 affects products from wpmet, specifically: metform_elementor_contact_form_builder. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-0714? +

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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