TI-2025-23450 Aliases CVE-2025-32371

Unexpected external content may be displayed in DNN ImageHandler

LOW 20CWE-451Published 2025-04-09 · Updated 2025-04-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-451.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00304 23rd percentileScored 2026-11-07

Fix Fixed Dnn.Platform (dnnsoftware): 9.13.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
DotNetNuke (DNN)	Dnn.Platform	before 9.13.4	9.13.4	Patch available	CNA

Dnn.Platform VendorDotNetNuke (DNN) Affected before 9.13.4 Fixed in 9.13.4 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dnnsoftware:dotnetnuke::::::::	before 9.13.4	Vulnerable	DotNetNuke (DNN)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:* Versions before 9.13.4 Vulnerable ·DotNetNuke (DNN)

Remediation

Fix · CNA Dnn.Platform (dnnsoftware) Fixed in 9.13.4

Timeline

2026-10-02 Threatist record created from CVE-2025-32371

References

Patch 1

https://github.com/dnnsoftware/Dnn.Platform/commit/5def7cc2e7931bb1041b21540bde99f96874a5a9

Advisory 1

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

TI-2017-07201 Code injection in DotNetNuke CMS Fixed in 9.1.1 KEVCVSS 3.1HIGH 8.8
TI-2018-12944 DNN (aka DotNetNuke) 9.2 through 9.2.2 uses a weak encryption algorithm to protect input… KEVCVSS 3.1HIGH 7.5
TI-2018-11271 DNN (aka DotNetNuke) 9.2 through 9.2.1 uses a weak encryption algorithm to protect input parameters. KEVCVSS 3.1HIGH 7.5
TI-2015-02468 The installation wizard in DotNetNuke (DNN) before 7.4.1 allows remote attackers to… CVSS 3.0CRITICAL 9.8
TI-2025-39546 DNN Insufficient Access Control - Image Upload allows for Site Content Overwrite CVSS 3.1CRITICAL 10.0
TI-2018-12945 DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values… CVSS 3.1HIGH 7.5

See all 75 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences