Arbitrary file upload in Drag and Drop File Upload for Contact Form 7 - CVE-2026-5364

 

Arbitrary file upload in Drag and Drop File Upload for Contact Form 7 - CVE-2026-5364

Published: April 27, 2026


Vulnerability identifier: #VU128151
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-5364
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within sanitize_file_name. A remote attacker can upload a malicious file and execute it on the server.


Affected software

Drag and Drop File Upload for Contact Form 7

How to mitigate CVE-2026-5364

Install updates from vendor's website.

Drag and Drop File Upload for Contact Form 7 - update to 1.1.4

External References

Related Security Bulletins