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CVE-2025-64095— DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite

Quick assessment

Affected
dnnsoftware Dnn.Platform
Exploitation
Public or AI PoC available; prioritize validation
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 10.1.1之前版本存在代码问题漏洞，该漏洞源于默认HTML编辑器允许未经验证的文件上传，可能导致网站篡改和跨站脚本攻击。

CVSS 10.0 · Critical EPSS 46.97% · P99

Public Exploits 1

Nuclei · 1 CVE-2025-64095.yaml [template]

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2025-64095

Vulnerability Information
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Vulnerability Title
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
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 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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
DNN 代码问题漏洞
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 10.1.1之前版本存在代码问题漏洞，该漏洞源于默认HTML编辑器允许未经验证的文件上传，可能导致网站篡改和跨站脚本攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
dnnsoftware Dnn.Platform < 10.1.1 -

II. Public POCs for CVE-2025-64095

# POC Description Source Link Shenlong Link
1 None https://github.com/callinston/CVE-2025-64095 POC Details
2 POC of DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite https://github.com/h4x0r-dz/CVE-2025-64095---DNN-Unauthenticated-arbitrary-file-upload POC Details
3 DNN (formerly DotNetNuke) \u003C 10.1.1 contains an unrestricted file upload vulnerability caused by the default HTML editor provider allowing unauthenticated file uploads and overwriting existing files, letting unauthenticated attackers deface websites and inject XSS payloads, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-64095.yaml POC Details
4 None https://github.com/0xr2r/CVE-2025-64095 POC Details
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III. Intelligence Information for CVE-2025-64095

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Vendor Advisories for CVE-2025-64095 (1)

Same Patch Batch · dnnsoftware · 2025-10-28 · 3 CVEs total

CVE-2025-64094 6.4 MEDIUM DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload
CVE-2025-62802 4.3 MEDIUM DNN CKEditor Provider allows unauthenticated upload out-of-the-box

IV. Related Vulnerabilities

Same product: Dnn.Platform
Same vendor: dnnsoftware
Same weakness: CWE-434

V. Comments for CVE-2025-64095

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