CVE-2008-5278: WordPress

Medium severity, CVSS 4.3. EPSS: 3.2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before 2.6.5 allows remote attackers to inject arbitrary web script or HTML via the Host header (HTTP_HOST variable).

Affected products

• WordPress WordPress: up to and including 2.6.3; version 0.6.2 only; version 0.6.2.1 only; version 0.7 only; version 0.71 only; version 0.71-gold only; …

Published 2008-11-28. Last modified 2026-06-16.