CVE-2026-93031— WP云插件3.8.3认证文件上传漏洞
一分钟漏洞结论
影响对象
WP Cloud Plugins/_deleeuw_ Use-your-Drive | Google Drive plugin for WordPress
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
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 的 WP Cloud 插件系列（包括 Use-your-Drive、Out-of-the-Box、Share-one-Drive 和 Lets-Box）在 2.0 至 3.8.3（含 3.8.3）的所有版本中均存在任意文件上传漏洞，漏洞位于 函数中。 具体成因如下： 1. 由于导入操作通过 钩子注册，允许未经身份验证的用户触发； 2. 函数缺少权限检查； 3. 在将导入的文件写入上传目录之前，未验证文件的扩展名和文件内容是否匹配 所定义的可接受类型。 上述缺陷使得拥有订阅者（Subscriber
影响版本矩阵 4
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| _DeLeeuw_ | Share-one-Drive | OneDrive & SharePoint plugin for WordPress | 2.0≤ 3.8.3 |
affected |
| _DeLeeuw_ | WP Cloud Plugins - Box (Lets-Box) | 2.0≤ 3.8.3 |
affected |
| _DeLeeuw_ | WP Cloud Plugins - Dropbox (Out-of-the-Box) | 2.0≤ 3.8.3 |
affected |
| WP Cloud Plugins/_deleeuw_ | Use-your-Drive | Google Drive plugin for WordPress | 2.0≤ 3.8.3 |
affected |
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一、 漏洞 CVE-2026-93031 基础信息
漏洞信息
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Vulnerability Title
WP Cloud Plugins Use-your-Drive, Out-of-the-Box, Share-one-Drive, and Lets-Box <= 3.8.3 - Authenticated (Subscriber+) Arbitrary File Upload via Media Import
来源: CVE Program / CVE List V5
Vulnerability Description
The WP Cloud Plugins Use-your-Drive, Out-of-the-Box, Share-one-Drive, and Lets-Box plugins for WordPress are vulnerable to Arbitrary File Upload in all versions from 2.0 up to, and including, 3.8.3 via the download_file_to_uploads function. This is due to the import action being registered for unauthenticated users via wp_ajax_nopriv_, a missing capability check in can_import(), and the imported file's extension and contents not being validated against get_allowed_mime_types() before it is written to the uploads directory. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| WP Cloud Plugins/_deleeuw_ | Use-your-Drive | Google Drive plugin for WordPress | 2.0 ~ 3.8.3 | - |
|
| _DeLeeuw_ | Share-one-Drive | OneDrive & SharePoint plugin for WordPress | 2.0 ~ 3.8.3 | - |
|
| _DeLeeuw_ | WP Cloud Plugins - Box (Lets-Box) | 2.0 ~ 3.8.3 | - |
|
| _DeLeeuw_ | WP Cloud Plugins - Dropbox (Out-of-the-Box) | 2.0 ~ 3.8.3 | - |
|
二、漏洞 CVE-2026-93031 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-93031 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-93031
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