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CVE-2026-3459— Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.5 - Unauthenticated Arbitrary File Upload

Quick assessment

Affected
glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Drag and Drop Multiple File Upload - Contact Form 7 1.3.7.3及之前版本存在代码问题漏洞，该漏洞源于文件类型验证不足，可能导致未经验证的攻击者上传任意文件并执行

CVSS 8.1 · High EPSS 0.95% · P60

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2026-3459

Vulnerability Information
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Vulnerability Title
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.5 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Drag and Drop Multiple File Upload - Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the 'dnd_upload_cf7_upload' function in versions up to, and including, 1.3.7.3. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. This can be exploited if the form includes a multiple file upload field with ‘*’ as the accepted file type.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Drag and Drop Multiple File Upload - Contact Form 7 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Drag and Drop Multiple File Upload - Contact Form 7 1.3.7.3及之前版本存在代码问题漏洞，该漏洞源于文件类型验证不足，可能导致未经验证的攻击者上传任意文件并执行
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 * ~ 1.3.9.5 -

II. Public POCs for CVE-2026-3459

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III. Intelligence Information for CVE-2026-3459

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Patches & Fixes for CVE-2026-3459 (3)

Vendor Advisories for CVE-2026-3459 (1)

IV. Related Vulnerabilities

Same product: Drag and Drop Multiple File Upload for Contact Form 7
Same vendor: glenwpcoder
Same weakness: CWE-434

V. Comments for CVE-2026-3459

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