CVE-2023-26852: Textpattern

High severity, CVSS 7.2. EPSS: 2% chance of exploitation in the next 30 days.

An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.

Affected products

• Textpattern Textpattern: up to and including 4.8.8

Published 2023-04-12. Last modified 2026-06-17.