CVE-2026-3438CWE-79cross-site-scripting

CVE-2026-3438

Medium · published April 9, 2026

CVSS v3.1
6.1
EPSS
1%
Percentile
48.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00611 · 48.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-04-09T03:16Z
Affected products (1)
ProductVersionsFixed in
sonatype/nexus_repository_manager≥ 3.0.0, < 3.91.03.91.0
References (2)
https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html · 103e4ec9-0a87-450b-af77-479448ddef11https://support.sonatype.com/hc/en-us/articles/50609137161363 · 103e4ec9-0a87-450b-af77-479448ddef11
EPSS history
Timeline
  • 08 APR 22:16Z
    Nexus Repository 3 - Reflected Cross-Site Scripting (XSS) in ?describe Pages
    cvelistv5