CVE-2026-3438

Nexus Repository 3 - Reflected Cross-Site Scripting (XSS) in ?describe Pages

CVSS 5.1 MEDIUMEPSS 0.5%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

08 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A reflected cross-site scripting vulnerability exists in Sonatype Nexus Repository versions 3.0.0 through 3.90.2 that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted URL. Exploitation requires user interaction.

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

Affected products

Sonatype · Nexus Repository

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References

https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html https://support.sonatype.com/hc/en-us/articles/50609137161363