What is the severity of CVE-2025-32371?

CVE-2025-32371 has been rated as a critical vulnerability due to its potential to facilitate arbitrary content rendering in user-generated images.

How do I fix CVE-2025-32371?

To fix CVE-2025-32371, update your DNN installation to version 9.13.5 or later, which includes the necessary patches.

Who is affected by CVE-2025-32371?

CVE-2025-32371 affects all DNN installations up to and including version 9.13.4.

What type of vulnerability is CVE-2025-32371?

CVE-2025-32371 is a web application vulnerability that allows for the rendering of untrusted content via manipulated URLs.

Can CVE-2025-32371 lead to further security issues?

Yes, CVE-2025-32371 could potentially lead to information disclosure or other attacks if exploited by malicious users.

Vulnerability/
CVE-2025-32371

medium

4.3

CWE

451

EPSS

0.027%

9/4/2025

CVE-2025-32371: Unexpected external content may be displayed in DNN ImageHandler

First published: Wed Apr 09 2025(Updated: )

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. A url could be crafted to the DNN ImageHandler to render text from a querystring parameter. This text would display in the resulting image and a user that trusts the domain might think that the information is legitimate. This vulnerability is fixed in 9.13.4.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
DotNetNuke	<9.13.4

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Frequently Asked Questions

What is the severity of CVE-2025-32371?
CVE-2025-32371 has been rated as a critical vulnerability due to its potential to facilitate arbitrary content rendering in user-generated images.
How do I fix CVE-2025-32371?
To fix CVE-2025-32371, update your DNN installation to version 9.13.5 or later, which includes the necessary patches.
Who is affected by CVE-2025-32371?
CVE-2025-32371 affects all DNN installations up to and including version 9.13.4.
What type of vulnerability is CVE-2025-32371?
CVE-2025-32371 is a web application vulnerability that allows for the rendering of untrusted content via manipulated URLs.
Can CVE-2025-32371 lead to further security issues?
Yes, CVE-2025-32371 could potentially lead to information disclosure or other attacks if exploited by malicious users.

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