CVE-2021-38327: Ueberhamm-Design YouTube Video Inserter

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The YouTube Video Inserter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/adminUI/settings.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.2.1.0.

Affected products

• Ueberhamm-Design YouTube Video Inserter: up to and including 1.2.1.0

Published 2021-09-10. Last modified 2026-06-17.