Another free, flexible forum software with a very active community.
: Plan an upgrade path to modern, fully supported forum engines like vBulletin 6.x or migrate your user database to open-source alternatives like phpBB or XenForo.
: Overwrite all primary system folders using stock, verified files acquired directly through your legitimate account in the vBulletin Member's Area.
They can use your server to send spam emails, host phishing pages, or launch Distributed Denial of Service (DDoS) attacks, leading to your hosting account being permanently suspended. 2. SQL Injection and Cross-Site Scripting (XSS)