CVE-2021-41175: Pi-hole Web Interface

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

Pi-hole's Web interface (based on AdminLTE) provides a central location to manage one's Pi-hole and review the statistics generated by FTLDNS. Prior to version 5.8, cross-site scripting is possible when adding a client via the groups-clients management page. This issue was patched in version 5.8.

Affected products

• Pi-hole Web Interface: before 5.8 (fixed in 5.8)

Published 2021-10-26. Last modified 2026-06-17.