CVE-2025-59821
BaseFortify
Publication date: 2025-09-23
Last updated on: 2025-09-29
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dnnsoftware | dotnetnuke | to 10.1.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in DNN (DotNetNuke) prior to version 10.1.0 involves improper handling of URL/path input and template rendering. Specifically, the application does not properly neutralize or encode HTML characters in user input, allowing specially crafted input to be reflected into a user profile that is returned to the browser. This can cause the victim's browser to interpret attacker-controlled content as part of the page's HTML, leading to potential security issues such as cross-site scripting (XSS).
How can this vulnerability impact me? :
The vulnerability can impact users by allowing attackers to inject malicious content into web pages viewed by victims. This can lead to the victim's browser executing attacker-controlled HTML or scripts, potentially resulting in session hijacking, theft of sensitive information, or other malicious actions. The CVSS score indicates a moderate severity with high confidentiality impact but no impact on integrity or availability.
What immediate steps should I take to mitigate this vulnerability?
Upgrade DNN to version 10.1.0 or later, as this version contains the patch that fixes the vulnerability related to insufficient neutralization or encoding of HTML characters in user profiles.