CVE-2023-6316: mw wp form File Upload RCE — Fix

Description

The MW WP Form plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the '_single_file_upload' function in versions up to, and including, 5.0.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
mw_wp_form_project	mw_wp_form	< 5.0.1

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3003065/mw-wp-form#file15 https://plugins.trac.wordpress.org/changeset/3003065/mw-wp-form#file15

Other References

https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.0.1/classes/models/class.file.php#L60 https://www.wordfence.com/threat-intel/vulnerabilities/id/b2c03142-be30-4173-a140-14d73a16dd2b?source=cve https://plugins.trac.wordpress.org/browser/mw-wp-form/tags/5.0.1/classes/models/class.file.php#L60 https://www.wordfence.com/threat-intel/vulnerabilities/id/b2c03142-be30-4173-a140-14d73a16dd2b?source=cve

Frequently Asked Questions

What is CVE-2023-6316? +

The MW WP Form plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the '_single_file_upload' function in versions up to, and including, 5.0.1. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-6316? +

CVE-2023-6316 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-6316? +

CVE-2023-6316 affects products from mw_wp_form_project, specifically: mw_wp_form. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6316? +

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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