CVE-2025-59535

DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters

Published Sep 22, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used on any page, this could be loaded on unsuspecting clients without knowledge of the site owner. This issue has been patched in version 10.1.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30448 DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used on any page, this could be loaded on unsuspecting clients without knowledge of the site owner. This issue has been patched in version 10.1.0.
Github GHSA Github GHSA GHSA-wq2j-w9pm-7x2p DNN allows loading unused themes on anonymous clients through query parameters
History
Type Values Removed Values Added
First Time appeared Dnnsoftware dotnetnuke
CPEs cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
Vendors & Products Dnnsoftware dotnetnuke
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dnnsoftware
Dnnsoftware dnn Platform
Vendors & Products Dnnsoftware
Dnnsoftware dnn Platform
Type Values Removed Values Added
Description DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, arbitrary themes can be loaded through query parameters. If an installed theme had a vulnerability, even if it was not used on any page, this could be loaded on unsuspecting clients without knowledge of the site owner. This issue has been patched in version 10.1.0.
Title DotNetNuke.Core allows loading of unused themes on anonymous clients through query parameters
Weaknesses CWE-20
CWE-200
CWE-829
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Sep 23, 2025, 8:12 PM
Reserved
Sep 17, 2025, 5:04 PM
Status
Analyzed
Published
Sep 22, 2025, 9:16 PM
Modified
Oct 11, 2026, 8:10 PM