CVE-2017-5474: s9y Serendipity

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Open redirect vulnerability in comment.php in Serendipity through 2.0.5 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the HTTP Referer header.

Affected products

• s9y Serendipity: up to and including 2.0.5

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