Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a malicious SuperUser (Host) could craft a request to use an external url for a site export to then be imported. Version 9.13.9 fixes the issue.

Classification

CVE ID: CVE-2025-48376

CVSS Base Severity: LOW

CVSS Base Score: 3.5

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

Affected Products

Vendor: dnnsoftware

Product: Dnn.Platform

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 7.89% (scored less or equal to compared to others)

EPSS Date: 2025-06-03 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2025-48376
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-62mf-vhhw-xmf8
https://github.com/dnnsoftware/Dnn.Platform/commit/13fb13ee76173c3467d7ee8d120b20ca7bd4fa63

Timeline