CVE-2026-10818

WPForms Pro (WordPress) is affected by an Arbitrary File Upload vulnerability up to version 1.10.1.1, exploitable via the ajax_chunk_upload_finalize path. The issue arises because file type validation occurs after chunk metadata and file contents are written to disk, and the assembled file isn’t ...

CVE-2026-10818 WPForms Pro <= 1.10.1.1 - Unauthenticated Arbitrary File Write via Chunked Upload Init/Finalize Ordering

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 ajaxchunkuploadfinalize function. This is due to the file type validation occurring after chunk metadata and file contents have already been written to disk, and the...