CVE-2025-52486: DNN.PLATFORM Allows Reflected Cross-Site Scripting (XSS) in some TokenReplace situations with SkinObjects
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows specially crafted content in URLs to be used with TokenReplace and not be properly sanitized by some SkinObjects. This issue has been patched in version 10.0.1.
Other sources
DNN.PLATFORM allows specially crafted content in URLs could be used with TokenReplace and not be properly sanitized by some SkinObjects. This vulnerability is fixed in 10.0.1.
— GitHub
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2025-52486?
CVE-2025-52486 has a high severity due to the potential for exploitation through unvalidated content in URLs.
How do I fix CVE-2025-52486?
To fix CVE-2025-52486, upgrade DNN.PLATFORM to version 10.0.1 or later.
Which versions of DNN.PLATFORM are affected by CVE-2025-52486?
CVE-2025-52486 affects DNN.PLATFORM versions from 6.0.0 up to but not including 10.0.1.
What vulnerability does CVE-2025-52486 exploit?
CVE-2025-52486 exploits improper sanitization of specially crafted content in URLs used with TokenReplace.
Is CVE-2025-52486 related to specific SkinObjects in DNN?
Yes, CVE-2025-52486 is related to certain SkinObjects that fail to properly sanitize user input.