CVE-2021-47976 — TextPattern CMS 4.9.0-dev Authenticated Remote Code Execution via Plugin Upload
TextPattern CMS 4.9.0-dev contains a remote code execution vulnerability that allows authenticated attackers to upload arbitrary PHP files by exploiting the plugin upload functi…
Published: 2026-05-16 · CVSS: 8.7 · CVSS 4.0
TextPattern CMS 4.9.0-dev contains a remote code execution vulnerability that allows authenticated attackers to upload arbitrary PHP files by exploiting the plugin upload functionality. Attackers can authenticate, retrieve a CSRF token from the plugin event page, and upload malicious PHP files to the textpattern/tmp/ directory for code execution.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7