3.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-48376

CVE-2025-48376: DNN site Import could use an external source with a crafted request

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

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2025-48376

CVE-2025-48376:

3.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
DotNetNuke.SiteExportImport	nuget	< 9.13.9	9.13.9

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability lies in the ImportController.VerifyImportPackage method, where the packageId parameter was used to construct a path without proper sanitization. This allowed a path traversal attack, where a malicious SuperUser could craft a request with a packageId pointing to an external URL or an arbitrary local file path for the site import. The patch addresses this by using Path.GetFileName(packageId), ensuring that only the file name part of the packageId is used, thus preventing traversal to unintended directories or URLs. The ExportImportController class has two methods, Import and VerifyImportPackage, which directly call the vulnerable ImportController.VerifyImportPackage method, passing along the potentially malicious packageId. Therefore, these wrapper methods are also considered part of the vulnerable execution flow.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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