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An attacker might get administrative access to a web application. However, this does not automatically mean that the web server can
be compromised. In cases where a SaaS application is made available to
users, it is routine to give each user admin access to his own instance of the web application e.g. a managed hosted Wordpress site. In such scenario, the attacker who will begin accessing
the application as a managed administrative user will have to figure
out how to exploit the administrative interface to get a shell on the
server. In some cases, it might be possible to do privilege escalation as well.
Concrete5 CMS is a free and open-source content management system (CMS) written in PHP. It is built on a model–view–controller web application framework and support plugins for extending the functionality.
Concrete5 (8.2.0) is vulnerable to Server Side Request Forgery documented in CVE-2018-13790.
The following username and passwords may be used to explore the application and/or find a vulnerability which might require authenticated access:
Objective: Your task is to find and exploit this vulnerability.
CVE is a registered trademark of The MITRE Corporation.
All relevant information to solve this lab is available on the CVE website.
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