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The attacker might not have any user level access to the web application. However, this does not mean that the application cannot be compromised remotely. Reflected XSS vulnerabilities could be triggered even by unauthenticated users.
In the exercise below, the attacker is not authenticated to the web application and needs to find a reflected XSS attack to access restricted information from the portal.
PHP-Proxy is a proxy with HTTPS and POST support, written in the PHP.
PHP-Proxy (5.1.0) is vulnerable to reflected XSS documented in CVE-2018-19785.
Objective: Your mission 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.
The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:
- Using automated scanners
- Using brute force attacks
- Denial of Service attacks
- Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
- Attacking the lab infrastructure
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