CVE-2009-3337: s9y Serendipity Event Freetag

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

SQL injection vulnerability in the Freetag (serendipity_event_freetag) plugin before 3.09 for Serendipity (S9Y) allows remote attackers to execute arbitrary SQL commands via an unspecified parameter associated with Meta keywords in a blog entry.

Affected products

• s9y Serendipity Event Freetag: before 3.09 (fixed in 3.09)

Published 2009-09-24. Last modified 2026-06-16.