CVE-2025-13488
BaseFortify
Publication date: 2025-12-04
Last updated on: 2025-12-08
Assigner: Sonatype
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sonatype | nexus_repository | 3.83.0 |
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 is a regression introduced in version 3.83.0 where a security header is no longer applied to certain user-uploaded content served from repositories. As a result, an authenticated attacker with repository upload privileges can exploit a stored cross-site scripting (XSS) vulnerability using the context of the user viewing the content.
How can this vulnerability impact me? :
The vulnerability can allow an attacker who has upload privileges to inject malicious scripts into user-uploaded content. When other users view this content, the malicious scripts execute in their browsers with their user context, potentially leading to unauthorized actions, data theft, or session hijacking.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, upgrade your Sonatype Nexus Repository to version 3.87.0 or later, where the regression causing the missing security header has been fixed. [1]