CVE-2026-18781 — HIGH (8.1)

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-94

References

https://wpscan.com/vulnerability/fb59519b-80ae-48e4-a31a-71d24ded205b/

FAQ

What is CVE-2026-18781?

CVE-2026-18781 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 unauthentica...

How severe is CVE-2026-18781?

CVE-2026-18781 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18781?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.