Unrestricted file upload vulnerability in usercp.php in MetaForum 0.513 Beta restricts file types based on the MIME type in the Content-type HTTP header, which allows remote attackers to upload and execute arbitrary scripts via an image MIME type with a filename containing an executable extension such as .php.
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub