Facebook security blank allows you to view anyone's photos
The process is very simple and is described in detail in this forum, and in short it takes advantage of the possibility of reporting the user's profile photo (as pornographic or inappropriate).
For the sake of truth, the website zdnet.com displays in her relevant post a photo from his profile Mark Zuckerberg, but at the same time states that sometimes the trick did not work.
Anyway, another problem will concern the managers of the social network, and already a representative of the company has stated that they are working to fix it. Source: Techgear.gr