CVE-2021-47976 – TextPattern CMS 4.9.0-dev Authenticated Remote Code Execution via Plugin Upload

​CVE ID :CVE-2021-47976

Published : May 16, 2026, 4:16 p.m. | 2 hours, 37 minutes ago

Description :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.

Severity: 8.8 | HIGH

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