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CVE-2026-5718— WordPress plugin Drag and Drop Multiple File Upload for Contact Form 安全漏洞

一分钟漏洞结论

影响对象
glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

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 for Contact Form 7 1.3.9.6及之前版本存在安全漏洞，该漏洞源于文件类型验证不足和绕过文件名清理函数，可能导致未经验证的攻击

CVSS 8.1 · High EPSS 3.46% · P89

公开利用映射 1

Nuclei · 1 CVE-2026-5718.yaml [template]

影响版本矩阵 1

厂商产品 版本范围状态
glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 ≤ 1.3.9.7 affected
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一、 漏洞 CVE-2026-5718 基础信息

漏洞信息
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Vulnerability Title
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.7 - Unauthenticated Arbitrary File Upload via Non-ASCII Filename Blacklist Bypass
来源: CVE Program / CVE List V5
Vulnerability Description
The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file upload in versions up to, and including, 1.3.9.7. This is due to insufficient file type validation that occurs when custom blacklist types are configured, which replaces the default dangerous extension denylist instead of merging with it, and the wpcf7_antiscript_file_name() sanitization function being bypassed for filenames containing non-ASCII characters. This makes it possible for unauthenticated attackers to upload arbitrary files, such as PHP files, to the server, which can be leveraged to achieve remote code execution. The vulnerability was originally reported by Leonid Semenenko (lsemenenko) and partially patched in version 1.3.9.7. A bypass for the patch was separately discovered and reported by Nguyen Hung (Mitchell).
来源: 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
来源: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
来源: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Drag and Drop Multiple File Upload for Contact Form 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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 for Contact Form 7 1.3.9.6及之前版本存在安全漏洞，该漏洞源于文件类型验证不足和绕过文件名清理函数，可能导致未经验证的攻击
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 0 ~ 1.3.9.7 -

二、漏洞 CVE-2026-5718 的公开POC

# POC 描述 源链接 神龙链接
1 Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin <= 1.3.9.6 contains an unrestricted file upload caused by insufficient file type validation and bypass of filename sanitization with non-ASCII characters, letting unauthenticated attackers upload arbitrary files and achieve remote code execution. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-5718.yaml POC详情
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三、漏洞 CVE-2026-5718 的情报信息

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CVE-2026-5718 补丁与修复 (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-2026-5718

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