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NVD HIGH: CVE-2026-10818 — The WPForms Pro plugin for WordPress is vulnerable to Arbitrary File Upload in a...

·Source: NIST NVD

Updated:

Executive Summary

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

Analysis

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. CVSS Score: 8.1. Published: 2026-07-25T07:17:08.880.

Indicators of Compromise (2)

CVE (1)
CVE-2026-10818
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jul 25, 2026. Verified by: NIST.

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