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Vulnerability record · CVE-2025-62802 · published 28 October 2025

CVE-2025-62802: Dnnsoftware dotnetnuke unrestricted file upload vulnerability

DDnnsoftware · Dotnetnuke

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the out-of-box experience for HTML editing allows unauthenticated users to upload files. This opens a potential vector to other security issues and is not needed on most implementations. This vulnerability is fixed in 10.1.1.

4.3 CVSS 3.1 Medium EPSS 0.23% · top 87.3% CWE-434 · Unrestricted file uploadCWE-1188 · Insecure default initialization
4.3CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to 10.1.1, the out-of-box experience for HTML editing allows unauthenticated users to upload files. This opens a potential vector to other security issues and is not needed on most implementations. This vulnerability is fixed in 10.1.1.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2374-6cvw-qmx6 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-62802), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.