What is CVE-2026-7308?

CVE-2026-7308 is a medium-severity vulnerability in Sonatype Nexus Repository, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-11.

How severe is CVE-2026-7308?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Sonatype Nexus Repository

CVE-2026-7308

An authenticated user with upload permission to a hosted repository can store content that causes arbitrary JavaScript to execute in the browser of any user who browses that repository directory via the HTML index page in Sonatype Nexus Repository versions 3.6.0 through versions before 3.92.0. This could allow the attacker to perform actions in the context of the victim's session.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-05-11 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.001

Affected products

Sonatype Nexus Repository — versions 3.6.0
Sonatype Nexus Repository Manager

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

103e4ec9-0a87-450b-af77-479448ddef11 (Release Notes, patch)
103e4ec9-0a87-450b-af77-479448ddef11 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7308?: CVE-2026-7308 is a medium-severity vulnerability in Sonatype Nexus Repository, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-11.
How severe is CVE-2026-7308?: Medium severity. CVSS v3 base score is 5.4 out of 10.