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CVE-2025-59546— DNN Vulnerable to Stored XSS Using Backend Admin Credentials

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 10.1.0之前版本存在跨站脚本漏洞，该漏洞源于管理员和内容编辑者可在模块标题中设置包含javascript的html，可能导致跨站脚本攻击。

CVSS 2.4 · Low EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-59546

Vulnerability Information
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Vulnerability Title
DNN Vulnerable to Stored XSS Using Backend Admin Credentials
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 10.1.0, administrators and content editors can set html in module titles that could include javascript which could be used for XSS based attacks. This issue has been patched in version 10.1.0.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
DNN 跨站脚本漏洞
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 10.1.0之前版本存在跨站脚本漏洞，该漏洞源于管理员和内容编辑者可在模块标题中设置包含javascript的html，可能导致跨站脚本攻击。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dnnsoftware Dnn.Platform < 10.1.0 -

II. Public POCs for CVE-2025-59546

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III. Intelligence Information for CVE-2025-59546

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Same Patch Batch · dnnsoftware · 2025-09-23 · 6 CVEs total

CVE-2025-59545 9.1 CRITICAL DNN Vulnerable to Stored Cross-Site Scripting (XSS) in the Prompt module
CVE-2025-59821 6.5 MEDIUM DNN vulnerable to Reflected Cross-Site Scripting (XSS) using url to profile
CVE-2025-59539 6.3 MEDIUM DNN affected by Stored Cross-Site Scripting (XSS) in Profile Biography field
CVE-2025-59547 5.3 MEDIUM DNN's CKEditor File Uploader functionality vulnerable through Unicode obfuscation
CVE-2025-59548 DNN Vulnerable to Reflected Cross-Site Scripting (XSS) in CKEditor File Browser

IV. Related Vulnerabilities

Same product: Dnn.Platform
Same vendor: dnnsoftware
Same weakness: CWE-79

V. Comments for CVE-2025-59546

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