Phpkf Cms · Phpkf Cms · CVE-2021-47753
**Name of the Vulnerable Software and Affected Versions**
phpKF CMS version 3.00 Beta y6
**Description**
The software contains an unauthenticated file upload issue that enables remote attackers to execute arbitrary code. This is achieved by bypassing file extension checks, allowing attackers to upload a PHP file disguised as a PNG. After uploading, the file can be renamed and used to execute system commands through a crafted web shell parameter.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.