CVE-2008-4020: Microsoft Office

Medium severity, CVSS 4.3. EPSS: 24.4% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Microsoft Office XP SP3 allows remote attackers to inject arbitrary web script or HTML via a document that contains a "Content-Disposition: attachment" header and is accessed through a cdo: URL, which renders the content instead of raising a File Download dialog box, aka "Vulnerability in Content-Disposition Header Vulnerability."

Affected products

• Microsoft Office: version xp only

Published 2008-10-15. Last modified 2026-06-16.