Officially only the latest two releases of Zen Cart are supported for bugs and security issues.
| Version | Supported |
|---|---|
| 1.5.7 | ✅ |
| 1.5.6 | ✅ |
| <= 1.5.5 | ❌ |
If you discover a security vulnerability, please email security @ zen-cart.com with your proof-of-concept including all the necessary steps to recreate the problem.