CVE-2026-3438
Reflected XSS in Sonatype Nexus Repository Allows Remote Script Execution
Publication date: 2026-04-08
Last updated on: 2026-04-08
Assigner: Sonatype
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sonatype | nexus_repository | From 3.0.0 (inc) to 3.90.2 (inc) |
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 reflected cross-site scripting (XSS) issue found in Sonatype Nexus Repository versions 3.0.0 through 3.90.2. It allows unauthenticated remote attackers to execute arbitrary JavaScript code in the browser of a victim by tricking them into clicking a specially crafted URL. Exploitation requires the victim to interact with the malicious link.
How can this vulnerability impact me? :
The impact of this vulnerability is that an attacker can execute arbitrary JavaScript in the victim's browser without authentication. This can lead to theft of sensitive information, session hijacking, or other malicious actions performed in the context of the victim's browser session. However, exploitation requires user interaction, such as clicking a malicious link.