CVE-2015-8603: s9y Serendipity

Medium severity, CVSS 5.4. EPSS: 1.2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to inject arbitrary web script or HTML via the serendipity[entry_id] parameter in an "edit" admin action to serendipity_admin.php.

Affected products

• s9y Serendipity: up to and including 2.0.2

Published 2016-01-12. Last modified 2026-06-17.