CVE-2021-47808: Cotonti Siena

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

Cotonti Siena 0.9.19 contains a stored cross-site scripting vulnerability in the admin configuration panel's site title parameter. Attackers can inject malicious JavaScript code through the 'maintitle' parameter to execute scripts when administrators view the page.

Affected products

• Cotonti Cotonti Siena: version 0.9.19 only

Published 2026-01-16. Last modified 2026-06-17.