CVE-2026-3438

MEDIUM EPSS 36.9%

Published Apr 8, 20262mo ago · Modified Jun 17, 20262w ago

5.1 CVSS 4.0

Medium

Published Apr 8, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

Description

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 Details

Base Score

5.1

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction A

Scope X

Threat Intelligence

EPSS Exploit Probability

36.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.