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CVE-2026-24784— DotNetNuke.Core has a potential XSS vulnerability in modules' header and footer

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 9.0.0至9.13.10之前版本和10.2.0之前版本存在跨站脚本漏洞，该漏洞源于内容编辑器可在模块页眉/页脚中注入脚本，可能导致脚本在其他用户环境中运行。

CVSS 6.8 · Medium EPSS 0.17% · P6
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I. Basic Information for CVE-2026-24784

Vulnerability Information
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Vulnerability Title
DotNetNuke.Core has a potential XSS vulnerability in modules' header and footer
Source: CVE Program / CVE List V5
Vulnerability Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, a content editor could inject scripts in module headers/footers that would run for other users. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/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 9.0.0至9.13.10之前版本和10.2.0之前版本存在跨站脚本漏洞，该漏洞源于内容编辑器可在模块页眉/页脚中注入脚本，可能导致脚本在其他用户环境中运行。
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 >= 9.0.0, < 9.13.10 -

II. Public POCs for CVE-2026-24784

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III. Intelligence Information for CVE-2026-24784

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Same Patch Batch · dnnsoftware · 2026-01-27 · 5 CVEs total

CVE-2026-24838 9.1 CRITICAL DotNetNuke.Core Vulnerable to Stored XSS via Module Title
CVE-2026-24836 7.7 HIGH DotNetNuke.Core Vulnerable to Stored XSS in Scheduler LogNotes
CVE-2026-24833 7.7 HIGH DotNetNuke.Core Vulnerable to Stored XSS in Module Description
CVE-2026-24837 7.7 HIGH DotNetNuke.Core Vulnerable to Stored XSS in Module Deletion Confirmation Modal

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-24784

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