CVE-2021-47753

phpKF CMS 3.00 Beta y6 contains an unauthenticated file upload vulnerability that allows remote attackers to execute arbitrary code by bypassing file extension checks. Attackers can upload a PHP file disguised as a PNG, rename it, and execute system commands through a crafted web shell parameter...

nginx+cgi to parse php is prone to a vulnerability-vulnerability warning-the black bar safety net

The title is a bit large, when we analyze carefully after, in fact, are generally configuration issues. If someone wants to attack the server, it will scan the machine where there is vulnerability can upload a malicious script file, the upload script is the first step, When a malicious php script...