CVE-2021-30071: Hestiacp Control Panel

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in /admin/list_key.html of HestiaCP before v1.3.5 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Affected products

• Hestiacp Control Panel: before 1.3.5 (fixed in 1.3.5)

Published 2022-08-18. Last modified 2026-06-17.