baserCMS is a website development framework. Prior to version 5.0.9, there is an OS Command Injection vulnerability in the site search feature of baserCMS. Version 5.0.9 contains a fix for this vulnerability.
https://github.com/baserproject/basercms/security/advisories/GHSA-77fc-4cv5-hmfr
https://github.com/baserproject/basercms/commit/18f426d63e752b4d22c40e9ea8d1f6e692ef601c