Vulnerability · Published Sep 11, 2026 · Assigned by Wordfence
CVE-2026-8778MIPL Grouped Checkout Fields for WooCommerce <= 1.2.2 - Unauthenticated Arbitrary File Upload
Critical 9.8
In plain English
A critical-severity unrestricted file upload in MIPL Grouped Checkout Fields for WooCommerce. Customize & Organize Checkout Fields. from mulika. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mulika | MIPL Grouped Checkout Fields for WooCommerce. Customize & Organize Checkout Fields. | 0 – through 1.2.2 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ac1257a9-7c8e-43aa-b21a-93a77b456aa4?source=cve
- https://plugins.trac.wordpress.org/browser/mipl-wc-checkout-fields/tags/1.2.1/mipl-wc-checkout-fields.php#L260
- https://plugins.trac.wordpress.org/browser/mipl-wc-checkout-fields/trunk/mipl-wc-checkout-fields.php#L260
- https://plugins.trac.wordpress.org/browser/mipl-wc-checkout-fields/tags/1.2.1/include/class-mipl-wc-cf-checkout-block.php#L415
- https://plugins.trac.wordpress.org/browser/mipl-wc-checkout-fields/trunk/include/class-mipl-wc-cf-checkout-block.php#L415
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3552029%40mipl-wc-checkout-fields%2Ftrunk%2Finclude%2Fclass-mipl-wc-cf-checkout-block.php&old=3549283%40mipl-wc-checkout-fields%2Ftrunk%2Finclude%2Fclass-mipl-wc-cf-checkout-block.php&sfp_email=&sfph_mail=