CVE-2021-47873: Vestacp

High severity, CVSS 7.2. EPSS: 0.2% chance of exploitation in the next 30 days.

VestaCP versions prior to 0.9.8-25 contain a cross-site scripting vulnerability in the IP interface configuration that allows attackers to inject malicious scripts. Attackers can exploit the 'v_interface' parameter by sending a crafted POST request to the add/ip/ endpoint with a stored XSS payload.

Affected products

• Vestacp Vestacp: from 0.9.8, up to and including 0.9.8-25

Published 2026-01-21. Last modified 2026-06-17.