CVE-2026-10818: Wpforms Pro

High severity, CVSS 8.1. EPSS: 2.5% chance of exploitation in the next 30 days.

The WPForms Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.10.1.1 via the ajax_chunk_upload_finalize function. This is due to the file type validation occurring after chunk metadata and file contents have already been written to disk, and the assembled file not being deleted upon validation failure. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.

Affected products

• Wpforms Wpforms Pro: up to and including 1.10.1.1

Published 2026-07-25. Last modified 2026-07-27.