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Servers and applications

CVE-2025-64095

Insufficient Access Control - Image Upload allows for Site Content Overwrite

Severity
Critical 9.8
Published
28 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.1.1
Also known as
GHSA-3m8r-w7xg-jqvw
Sources
NVD, Project advisories (GitHub)

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…

Affected software

SoftwareAffected versions
DNN PlatformServers and applications · cpe:a:dnnsoftware:dotnetnuke
  • Every version before 10.1.1
DNN PlatformServers and applications · github:dnnsoftware/dnn.platform
  • Every version before 10.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-64095
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-64095
  • GitHub Advisory Database https://github.com/advisories/GHSA-3m8r-w7xg-jqvw
  • github.com https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-3m8r-w7xg-jqvw