CVE-2023-53911: Textpattern

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Textpattern CMS 4.8.8 contains a stored cross-site scripting vulnerability in the article excerpt field that allows authenticated users to inject malicious scripts. Attackers can insert JavaScript payloads into the excerpt, which will execute when the article is viewed by other users.

Affected products

• Textpattern Textpattern: version 4.8.8 only

Published 2025-12-17. Last modified 2026-06-17.