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CVE-2025-48376— Dnn.Platform's Site Import could use an external source with a crafted request

Quick assessment

Affected
dnnsoftware Dnn.Platform
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.

DNN（又名DotNetNuke）是美国DNN公司的一套由微软支持、基于ASP.NET平台的开源内容管理系统（CMS）。该系统具有易于安装、可扩展、功能丰富等特点。 DNN 9.13.9之前版本存在安全漏洞，该漏洞源于恶意超级用户可以构造请求使用外部URL进行站点导出和导入。

CVSS 3.5 · Low EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-48376

Vulnerability Information
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Vulnerability Title
Dnn.Platform's Site Import could use an external source with a crafted request
Source: CVE Program / CVE List V5
Vulnerability Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported. Version 9.13.9 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
行为工作流的不恰当实施
Source: CVE Program / CVE List V5
Vulnerability Title
DNN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DNN（又名DotNetNuke）是美国DNN公司的一套由微软支持、基于ASP.NET平台的开源内容管理系统（CMS）。该系统具有易于安装、可扩展、功能丰富等特点。 DNN 9.13.9之前版本存在安全漏洞，该漏洞源于恶意超级用户可以构造请求使用外部URL进行站点导出和导入。
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
dnnsoftware Dnn.Platform < 9.13.9 -

II. Public POCs for CVE-2025-48376

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III. Intelligence Information for CVE-2025-48376

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Patches & Fixes for CVE-2025-48376 (1)

Same Patch Batch · dnnsoftware · 2025-05-23 · 3 CVEs total

CVE-2025-48377 Dnn.Platform vulnerable to Reflected Cross-Site Scripting (XSS) in module actions in edit
CVE-2025-48378 Dnn.Platform vulnerable to Stored Cross-Site Scripting (XSS) with svg files rendered inlin

IV. Related Vulnerabilities

Same product: Dnn.Platform
Same vendor: dnnsoftware
Same weakness: CWE-841

V. Comments for CVE-2025-48376

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