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CVE-2019-25138— User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload

Quick assessment

Affected
specialk User Submitted Posts – Enable Users to Submit Posts from the Front End
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 User Submitted Posts 存在安全漏洞，该漏洞源于 usp_check_images 函数中缺少文件类型验证，因此容易受到任意文件上传的影响。

CVSS 9.8 · Critical EPSS 2.33% · P83
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I. Basic Information for CVE-2019-25138

Vulnerability Information
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Vulnerability Title
User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The User Submitted Posts plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the usp_check_images function in versions up to, and including, 20190312. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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 User Submitted Posts 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 User Submitted Posts 存在安全漏洞，该漏洞源于 usp_check_images 函数中缺少文件类型验证，因此容易受到任意文件上传的影响。
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
specialk User Submitted Posts – Enable Users to Submit Posts from the Front End * ~ 20190426 -

II. Public POCs for CVE-2019-25138

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III. Intelligence Information for CVE-2019-25138

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Vendor Advisories for CVE-2019-25138 (1)

Security Blog Posts for CVE-2019-25138 (1)

Other References for CVE-2019-25138 (1)

IV. Related Vulnerabilities

Same product: User Submitted Posts – Enable Users to Submit Posts from the Front End
Same vendor: specialk
Same weakness: CWE-434

V. Comments for CVE-2019-25138

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