VULNERABILITY INTELLIGENCE
CVE-2021-47943
CVSS score8.8 HIGH
EPSS probability0.62%
CISA KEVNot currently listed
Published2026-05-10
Last modified2026-07-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-434