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CVE-2025-59535— DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters

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之前版本存在安全漏洞，该漏洞源于可通过查询参数加载任意主题，可能导致利用未使用主题的漏洞攻击客户端。

CVSS 6.5 · Medium EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-59535

Vulnerability Information
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Vulnerability Title
DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters
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, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used on any page, this could be loaded on unsuspecting clients without knowledge of the site owner. 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:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
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 10.1.0之前版本存在安全漏洞，该漏洞源于可通过查询参数加载任意主题，可能导致利用未使用主题的漏洞攻击客户端。
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-2025-59535

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III. Intelligence Information for CVE-2025-59535

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IV. Related Vulnerabilities

Same product: Dnn.Platform
Same vendor: dnnsoftware
Same weakness: CWE-20

V. Comments for CVE-2025-59535

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