CVE-2025-48378: Dnn.Platform vulnerable to Stored Cross-Site Scripting (XSS) with svg files rendered inline

6.1 CVSS

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, uploaded SVG files could contain scripts and if rendered inline those scripts could run allowing XSS attacks. Version 9.13.9 fixes the issue.

Classification

CVE ID: CVE-2025-48378

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Vendor: dnnsoftware

Product: Dnn.Platform

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 16.28% (scored less or equal to compared to others)

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

References

https://nvd.nist.gov/vuln/detail/CVE-2025-48378
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-m4hf-fxcg-cp34
https://github.com/dnnsoftware/Dnn.Platform/commit/cfed83c291d5e5072b2fa70924a8b7c35b1cdf9e

Timeline