CVE-2017-6513

CVE-2017-6513 describes a critical authentication bypass vulnerability in the WHMCS Reseller Module V2 2.0.2 for Softaculous Virtualizor before version 2.9.1.0. This flaw allows remote authenticated users to gain unauthorized control over other virtual machines managed by Virtualizor through a modified URL. With a CVSS score of 9.9 (CRITICAL), the vulnerability is easily exploitable over the network with low complexity, enabling complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.