CVE-2011-1893: Microsoft SharePoint Foundation

Medium severity, CVSS 4.3. EPSS: 16.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Microsoft Office SharePoint Server 2010, Windows SharePoint Services 2.0 and 3.0 SP2, and SharePoint Foundation 2010 allows remote attackers to inject arbitrary web script or HTML via the URI, aka "SharePoint XSS Vulnerability."

Affected products

• Microsoft SharePoint Foundation: version 2010 only
• Microsoft SharePoint Server: version 2010 only
• Microsoft SharePoint Services: version 2.0 only; version 3.0 only

Published 2011-09-15. Last modified 2026-06-16.