The check can be configured so that it only alerts in blocking cases. But it is also possible to create single exceptions that only exclude certain URLs.
In the editorial environment, websites are normally populated by editors. Often the user of the systems is granted the possibility to place any HTML content on the page. In such cases it can happen that someone who is not technically versed uploads wrong content. This could be unsafe images, for example. In this situation, the Insecure Content Checker will suggest and help to fix the problem.