CVE-2026-8778
Received Received - Intake

Arbitrary File Upload in MIPL Grouped Checkout Fields for WooCommerce

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: Wordfence

Description
The MIPL Grouped Checkout Fields for WooCommerce – Customize & Organize Checkout Fields. plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the `mipl_wc_upload_file` function in all versions up to, and including, 1.2.1. 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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Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-11
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
CVE-2026-8778
EUVD
EUVD-2026-75934

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mipl grouped_checkout_fields to 1.2.1 (inc)
mipl woocommerce_checkout_fields to 1.2.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

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Executive Summary

This vulnerability allows unauthenticated attackers to upload arbitrary files to a WordPress site using the MIPL Grouped Checkout Fields plugin due to missing file type validation in the mipl_wc_upload_file function. This could lead to remote code execution on the server.

Detection Guidance

Check for unauthorized file uploads in WordPress directories, especially in uploads folders. Look for unexpected PHP or executable files. Use commands like 'find /path/to/wordpress -type f -name "*.php" -newer /path/to/wordpress/wp-config.php' to find recently added PHP files.

Impact Analysis

An attacker could exploit this to upload malicious files, potentially gaining control of your website or server. This may result in data theft, defacement, or further compromise of your systems and user data.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR and HIPAA requirements for data protection and security. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately update the plugin to the latest version if available. If not, disable or remove the plugin. Scan your WordPress installation for malicious files. Restrict file upload permissions and monitor for suspicious activity.

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