VULNERABILITY INTELLIGENCE

CVE-2009-1030

CVSS score4.3 MEDIUM

EPSS probability4.66%

CISA KEVNot currently listed

Published2009-03-20

Last modified2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the choose_primary_blog function in wp-includes/wpmu-functions.php in WordPress MU (WPMU) before 2.7 allows remote attackers to inject arbitrary web script or HTML via the HTTP Host header.