CVE-2026-18781
High
Description
The Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin before 1.3.9.9 does not validate the final name of an uploaded file after stripping characters from it, allowing unauthenticated users to defeat its file type restrictions and execute arbitrary code on the server.
SeverityHigh
CVSS8.1
Exploit probability—
ProductDrag and Drop Multiple File Upload for Contact Form 7
PublishedAug 21, 2026
First seenAug 21, 2026
Weakness typeCWE-94Code injection
How to fix
Update
- Drag and Drop Multiple File Upload for Contact Form 71.3.9.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Drag and Drop Multiple File Upload for Contact Form 7 | v < 1.3.9.9 | 1.3.9.9 |
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