CVE-2025-32371: dotnetnuke — Fix

Description

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-451 CWE-451

Affected Products

Vendor	Product	Versions
dnnsoftware	dotnetnuke	< 9.13.4

References

Advisories & Patches

https://github.com/dnnsoftware/Dnn.Platform/commit/5def7cc2e7931bb1041b21540bde99f96874a5a9 https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rrc-g594-rhqw

Frequently Asked Questions

What is CVE-2025-32371? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-32371? +

CVE-2025-32371 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-32371? +

CVE-2025-32371 affects products from dnnsoftware, specifically: dotnetnuke. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-32371? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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