CVE-2025-32371

Unexpected external content may be displayed in DNN ImageHandler

Published Apr 9, 2025 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-14712 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.
History
Type Values Removed Values Added
First Time appeared Dnnsoftware
Dnnsoftware dotnetnuke
CPEs cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
Vendors & Products Dnnsoftware
Dnnsoftware dotnetnuke
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unexpected external content may be displayed in DNN ImageHandler
Weaknesses CWE-451
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 9, 2025, 3:41 PM
Reserved
Apr 6, 2025, 7:46 PM
Status
Analyzed
Published
Apr 9, 2025, 4:15 PM
Modified
Jun 17, 2026, 9:11 AM