DNN site Import could use an external source with a crafted request

LOW 2.4CVE-2025-48376 · GHSA-62mf-vhhw-xmf8 · Published 23/05/2025 · updated 17/06/2026

In short

CVE-2025-48376 is a LOW (CVSS 2.4) vulnerability affecting DotNetNuke.SiteExportImport, dotnetnuke (dnnsoftware).
Chance of exploitation in the next 30 days (EPSS): 0.25%, higher than 17.0% of all vulnerabilities.
Fix: update to 9.13.9 or later.

Package	Affected versions	Patched versions
DotNetNuke.SiteExportImport NuGet	`< 9.13.9`	`9.13.9`
dotnetnuke dnnsoftware	`< 9.13.9`	`9.13.9`

Description

A malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported.

NVD description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported. Version 9.13.9 fixes the issue.

References

dnnsoftware/Dnn.Platform security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2025-48376 · ADVISORY
dnnsoftware/Dnn.Platform commit 13fb13e · WEB
dnnsoftware/Dnn.Platform · PACKAGE

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