baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS).

Impact: XSS via Arbitrary script execution.
Attack vector is: Administrator must be logged in.
Components are: toolbar.php
Tested baserCMS Version : 4.3.6 (Latest)
Affected baserCMS Version : 4.0.0 ~ 4.3.6
Patches : https://basercms.net/security/20200827
Found by Aquilao Null