CVE-2017-5476: s9y Serendipity

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Serendipity through 2.0.5 allows CSRF for the installation of an event plugin or a sidebar plugin.

Affected products

• s9y Serendipity: up to and including 2.0.5

Published 2017-01-14. Last modified 2026-06-17.