CVE-2010-2088: Microsoft ASP.NET

Medium severity, CVSS 4.3. EPSS: 9% chance of exploitation in the next 30 days.

ASP.NET in Microsoft .NET 3.5 does not properly handle an unencrypted view state, which allows remote attackers to conduct cross-site scripting (XSS) attacks against the form control via the __VIEWSTATE parameter.

Affected products

• Microsoft ASP.NET: version 3.5 only

Published 2010-05-27. Last modified 2026-06-16.