CVE-2021-47943
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
May 10, 2026
Vendor
unknown
Description
TextPattern CMS 4.8.7 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by uploading malicious PHP files through the file upload functionality. Attackers can upload a PHP shell via the Files section in the content area and execute commands by accessing the uploaded file at /textpattern/files/ with GET parameters passed to the system function.