Critical severityNVD Advisory· Published Oct 28, 2025· Updated Oct 29, 2025
DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite
CVE-2025-64095
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the default HTML editor provider allows unauthenticated file uploads and images can overwrite existing files. An unauthenticated user can upload and replace existing files allowing defacing a website and combined with other issue, injection XSS payloads. This vulnerability is fixed in 10.1.1.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
DNN.PLATFORMNuGet | < 10.1.1 | 10.1.1 |
Affected products
1- Range: < 10.1.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/advisories/GHSA-3m8r-w7xg-jqvwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-64095ghsaADVISORY
- github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-3m8r-w7xg-jqvwghsax_refsource_CONFIRMWEB
News mentions
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