Backup and Staging by WP Time Capsule <= 1.22.21 - Unauthenticated Arbitrary File Upload 漏洞信息(CVE-2024-8856)

一、漏洞 CVE-2024-8856 基础信息

漏洞信息

                                        # WP Time Capsule 1.22.21及以下版本中的未经认证的任意文件上传漏洞

## 漏洞概述
WordPress插件Backup and Staging by WP Time Capsule中存在任意文件上传漏洞，主要是因为UploadHandler.php文件中缺少文件类型验证，并且没有防止直接文件访问，这使得未授权的攻击者可以在受影响的服务器上上传任意文件，从而可能导致远程代码执行。

## 影响版本
所有版本，包括1.22.21及之前的版本。

## 细节
该漏洞存在于UploadHandler.php文件中，其未能对上传文件类型进行有效验证，并且没有采取措施防止直接访问上传的文件。这些缺陷结合起来，允许攻击者上传任意文件。

## 影响
未授权的攻击者可以利用此漏洞上传任意文件到目标服务器上，这可能导致远程代码执行。

提示

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漏洞标题

Backup and Staging by WP Time Capsule <= 1.22.21 - Unauthenticated Arbitrary File Upload

来源：美国国家漏洞数据库 NVD

漏洞描述信息

The Backup and Staging by WP Time Capsule plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the the UploadHandler.php file and no direct file access prevention in all versions up to, and including, 1.22.21. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

来源：美国国家漏洞数据库 NVD

CVSS信息

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

来源：美国国家漏洞数据库 NVD

漏洞类别

危险类型文件的不加限制上传

来源：美国国家漏洞数据库 NVD

漏洞标题

WordPress plugin Backup and Staging by WP Time Capsule 代码问题漏洞

来源：中国国家信息安全漏洞库 CNNVD

漏洞描述信息

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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Backup and Staging by WP Time Capsule 1.22.21版本及之前版本存在代码问题漏洞，该漏洞源于UploadHandler.php文件中缺少文件类型验证且没有直接文件访问预防，因此导致任意文

来源：中国国家信息安全漏洞库 CNNVD

CVSS信息

N/A

来源：中国国家信息安全漏洞库 CNNVD

漏洞类别

代码问题

来源：中国国家信息安全漏洞库 CNNVD

二、漏洞 CVE-2024-8856 的公开POC

#	POC 描述	源链接	神龙链接
1	WordPress WP Time Capsule Plugin Arbitrary File Upload Vulnerability	https://github.com/ubaii/CVE-2024-8856	POC详情
2	This tool scans WordPress websites for vulnerabilities in the WP Time Capsule plugin related to CVE-2024-8856. It identifies plugin versions below 1.22.22 as vulnerable and logs results to vuln.txt. Simple and efficient, it helps security researchers and admins detect and address risks quickly.	https://github.com/Jenderal92/CVE-2024-8856	POC详情
3	WordPress WP Time Capsule Plugin Arbitrary File Upload Vulnerability	https://github.com/ubaydev/CVE-2024-8856	POC详情
4	The Backup and Staging by WP Time Capsule plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the the UploadHandler.php file and no direct file access prevention in all versions up to, and including, 1.22.21. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-8856.yaml	POC详情

三、漏洞 CVE-2024-8856 的情报信息

标题： Backup and Staging by WP Time Capsule <= 1.22.21 - Unauthenticated Arbitrary File Upload -- 🔗来源链接

标签：
神龙速读
标题： UploadHandler.php in wp-time-capsule/trunk/wp-tcapsule-bridge/upload/php – WordPress Plugin Repository -- 🔗来源链接

标签：
标题： Changeset 3188325 – WordPress Plugin Repository -- 🔗来源链接

标签：
神龙速读
标题： Changeset 3153289 for wp-time-capsule – WordPress Plugin Repository -- 🔗来源链接

标签：
标题： CVE-2024-8856 - Unauthenticated RCE via Arbitrary File Upload -- 🔗来源链接

标签：
神龙速读
https://nvd.nist.gov/vuln/detail/CVE-2024-8856