CVE-2012-1861: Microsoft Office Web Apps

Medium severity, CVSS 4.3. EPSS: 15.4% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Microsoft SharePoint Server 2010 Gold and SP1, SharePoint Foundation 2010 Gold and SP1, and Office Web Apps 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript elements in a URL, aka "SharePoint Script in Username Vulnerability."

Affected products

• Microsoft Office Web Apps: version 2010 only
• Microsoft SharePoint Foundation: version 2010 only
• Microsoft SharePoint Server: version 2010 only

Published 2012-07-10. Last modified 2026-06-16.