CVE-2005-0049: Microsoft SharePoint Portal Server

Medium severity, CVSS 4.3. EPSS: 20.2% chance of exploitation in the next 30 days.

Windows SharePoint Services and SharePoint Team Services for Windows Server 2003 does not properly validate an HTTP redirection query, which allows remote attackers to inject arbitrary HTML and web script via a cross-site scripting (XSS) attack, or to spoof the web cache.

Affected products

• Microsoft SharePoint Portal Server: version 2003 only
• Microsoft SharePoint Team Services: any version

Published 2005-05-02. Last modified 2026-06-16.