Sql injection

Deepwoods Software WebLibrarian 3.5.2 and earlier is affected by: SQL Injection. The impact is: Exposing the entire database. The component is: Function “AllBarCodes” (defined at database_code.php line 1018) is vulnerable to a boolean-based blind sql injection. This function call can be triggered by any user logged-in with at least Volunteer role or manage_circulation capabilities. PoC : /wordpress/wp-admin/admin.php?page=weblib-circulation-desk&orderby=title&order=DESC.