File Upload Vulnerability in Drag and Drop Multiple File Upload for Contact Form 7 Plugin
CVE-2026-18781
Currently unrated
Key Information:
- Vendor
WordPress
- Vendor
- CVE Published:
- 21 August 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-18781?
The Drag and Drop Multiple File Upload functionality in the Contact Form 7 WordPress plugin is susceptible to a security flaw where it fails to validate the final name of uploaded files after removing certain characters. This oversight allows unauthenticated users to bypass restrictions on file types, potentially leading to the execution of arbitrary code on the server. Site admins should review and update their plugins to mitigate this risk.
Affected Version(s)
Drag and Drop Multiple File Upload for Contact Form 7 0 < 1.3.9.9
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.