CVE-2025-48376 Dnn.Platform's Site Import could use an external source with a crafted request

What is CVE-2025-48376?

CVE-2025-48376 is a low-severity server-side request forgery vulnerability in Dnnsoftware Dotnetnuke, published on 23 May 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-841

Which versions are affected by CVE-2025-48376?

2 open source packages ship an affected version, including DotNetNuke.SiteExportImport. It affects 1 product.

Products include Dnnsoftware Dotnetnuke.

How do I fix CVE-2025-48376?

Upgrade DotNetNuke.SiteExportImport to 9.13.9 or later.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2025-48376 being exploited?

There is no known exploitation of CVE-2025-48376 in the wild and no public exploit code.

Other vulnerabilities in Dnnsoftware Dotnetnuke

• CVE-2017-9822 DotNetNuke (DNN) Remote Code Execution Exploited High 8.8
• CVE-2018-15811 DotNetNuke (DNN) Inadequate Encryption Strength Exploited High 7.5
• CVE-2018-18325 DotNetNuke (DNN) Inadequate Encryption Strength Exploited High 7.5
• CVE-2025-64095 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite Critical 10.0
• CVE-2006-3601 Privilege escalation in n/a Critical 10.0

All Dnnsoftware Dotnetnuke vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-62mf-vhhw-xmf8.