Description
vBulletin is a widespread proprietary Internet forum software package developed by vBulletin Solutions, Inc., based on PHP and MySQL database server.
vBulletin contains a vulnerability that can allow a remote attacker to include any file from the vBulletin server and execute arbitrary PHP code. An unauthenticated user is able to send a GET request to /index.php which can then trigger the file inclusion vulnerability with parameter routestring. The request allows an attacker to create a crafted request to Vbulletin server installed on Windows OS and include any file on the web server.
Remediation
At this time there is no solution or workaround for this vulnerability.
References
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