BrowserCRM Multiple SQL Injection and XSS Vulnerabilities

This host is running BrowserCRM and is prone to multiple sql injection and cross site scripting vulnerabilities.
Successful exploitation will allow remote attackers to execute arbitrary web script or HTML in a user's browser session in the context of an affected site and manipulate SQL queries by injecting arbitrary SQL code. Impact Level: Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Multiple flaws are due to inputs passed via - The 'PATH_INFO' to index.php, modules/admin/admin_module_index.php, or modules/calendar/customise_calendar_times.php, 'login[]' parameter to index.php or pub/clients.php and 'framed' parameter to licence/index.php or licence/view.php is not properly verified before it is returned to the user. - The 'login[username]' parameter to index.php, 'parent_id' parameter to modules/Documents/version_list.php or 'contact_id' parameter to modules/Documents/index.php is not properly sanitized before being used in a SQL query.
BrowserCRM version 5.100.1 and prior