editor/filemanager/upload/php/upload.php in FCKeditor before 2.3 Beta, when the upload feature is enabled, does not verify the Type parameter, which allows remote attackers to upload arbitrary file types. NOTE: It is not clear whether this is related to CVE-2006-0658.
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