🛡️ CVE-2025-64094 — dotnetnuke

🟡 CVSS 6.4 — Medium ✅ No Known Exploit CWE-79 NVD
6.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

DNN vulnerable to stored cross-site-scripting (XSS) via SVG upload

Summary

Sanitization of the content of uploaded SVG files was not covering all possible XSS scenarios.

Details

DNN validates the contents of SVG's to ensure they are valid and do not contain any malicious code. These checks were introduced as part of CVE-2025-48378.

However, the checks to ensure there are no script elements within the SVG files are not comprehensive and may allow some malicious SVG files to be uploaded.

As this vulnerability allows for the execution of arbitrary JavaScript code within the context of the user's browser, it can lead to a range of attacks, including data exfiltration, session hijacking, and defacement of the web application to name a few.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2025-64094 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2025-64094 is recorded against 2 packages.

  • dotnetnuke (fixed in 10.1.1)
  • dotnetnuke.core (fixed in 10.1.1)

Timeline and source

Published on 28 October 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com

Details

Severity MEDIUM
CVSS Score 6.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2025-10-28
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
dotnetnuke — 10.1.1
dotnetnuke.core — 10.1.1

Similar Threats

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