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CVE CVE-2021-47888

CVE-2021-47888

PHP

Severity: HIGH
CVSS: 8.8CVSS
Published: 2026-01-23
Last modified: 2026-01-26
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-434

Description

Textpattern versions prior to 4.8.3 contain an authenticated remote code execution vulnerability that allows logged-in users to upload malicious PHP files. Attackers can upload a PHP file with a shell command execution payload and execute arbitrary commands by accessing the uploaded file through a specific URL parameter.

References

https://textpattern.com/
https://textpattern.com/start
https://www.exploit-db.com/exploits/49620
https://www.vulncheck.com/advisories/textpattern-remote-code-execution

Summary

Description

References