CVE-2026-18781

Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Unauthenticated RCE via Control Character Filename Bypass

Published Aug 21, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-73
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Drag And Drop Multiple File Uploader Pro - Contact Form 7 Project
Drag And Drop Multiple File Uploader Pro - Contact Form 7 Project drag And Drop Multiple File Uploader Pro - Contact Form 7
Wordpress
Wordpress wordpress
Weaknesses CWE-94
Vendors & Products Drag And Drop Multiple File Uploader Pro - Contact Form 7 Project
Drag And Drop Multiple File Uploader Pro - Contact Form 7 Project drag And Drop Multiple File Uploader Pro - Contact Form 7
Wordpress
Wordpress wordpress
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Weaknesses CWE-73
Type Values Removed Values Added
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.
Title Drag and Drop Multiple File Upload for Contact Form 7 < 1.3.9.9 - Unauthenticated RCE via Control Character Filename Bypass
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 21, 2026, 12:54 PM
Reserved
Aug 4, 2026, 8:02 AM
Status
Deferred
Published
Aug 21, 2026, 7:16 AM
Modified
Oct 24, 2026, 8:10 PM