9.8Critical

CVE-2026-4882User Registration Advanced Fields <= 1.6.20 - Unauthenticated Arbitrary File Upload

WPEverest User Registration Advanced Fields Published: (6 months ago)

Description

The User Registration Advanced Fields plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'URAF_AJAX::method_upload' function in all versions up to, and including, 1.6.20. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The vulnerability can only be exploited if a "Profile Picture" field is added to the form.

Weakness (CWE): CWE-434

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
WPEverest User Registration Advanced Fields ≤ 1.6.20

References and patches