Quform - WordPress Form Builder <= 2.23.0 - Authenticated (Subscriber+) Arbitrary File Upload

2026-06-25 00:00

daroo

Strategic Overview

Status

Patched in 2.23.1

Affected PluginQuform - WordPress Form Builder

Affected Version<= 2.23.0

CVSS8.8High

CVECVE-2026-56058

View all Quform - WordPress Form Builder vulnerabilities

Vulnerability Overview

The Quform - WordPress Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 2.23.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Technical Analysis

REMEDIATION: Update to version 2.23.1, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2026-56058 https://www.wordfence.com/threat-intel/vulnerabilities/id/772e17d6-2819-4e66-88f2-0c7a6c0aaff0

Quform - WordPress Form Builder <= 2.23.0 - Authenticated (Subscriber+) Arbitrary File Upload (CVE-2026-56058)