CVE-2026-10818

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...

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...