NVD HIGH: CVE-2021-47943 — TextPattern CMS 4.8.7 contains a remote code execution vulnerability that allows...

Sunday, May 10, 2026 at 01:16 PM UTC·Source: NIST NVD

Updated: Friday, May 15, 2026 at 05:00 AM UTC

Executive Summary

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 fu

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2021-47943

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on May 10, 2026. Verified by: NIST.

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