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CVE-2025-62802— DNN CKEditor Provider allows unauthenticated upload out-of-the-box

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 10.1.1之前版本存在安全漏洞，该漏洞源于允许未经验证的用户上传文件，可能导致其他安全问题。

CVSS 4.3 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2025-62802

Vulnerability Information
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Vulnerability Title
DNN CKEditor Provider allows unauthenticated upload out-of-the-box
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 out-of-box experience for HTML editing allows unauthenticated users to upload files. This opens a potential vector to other security issues and is not needed on most implementations. 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:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
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 10.1.1之前版本存在安全漏洞，该漏洞源于允许未经验证的用户上传文件，可能导致其他安全问题。
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 < 10.1.1 -

II. Public POCs for CVE-2025-62802

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III. Intelligence Information for CVE-2025-62802

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Vendor Advisories for CVE-2025-62802 (1)

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

CVE-2025-64095 10.0 CRITICAL DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
CVE-2025-64094 6.4 MEDIUM DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload

IV. Related Vulnerabilities

Same product: Dnn.Platform
Same vendor: dnnsoftware
Same weakness: CWE-1188

V. Comments for CVE-2025-62802

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