CVE-2008-3843

medium Microsoft
CVSS v3 Base Score
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS Score
11.7%
Exploitation probability in 30 days
Top 6% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
P
Availability
None
Published: August 27, 2008 (6468 days ago)
Last Modified: April 23, 2026
Vendor: Microsoft
Source: NVD

Description

Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a query string containing a "<~/" (less-than tilde slash) sequence followed by a crafted STYLE element.

CWE

CWE-79

Affected Products

microsoft .net framework

References

🔗 securityreason.com 🔗 www.procheckup.com 🔗 www.procheckup.com 🔗 www.securityfocus.com 🔗 www.securityfocus.com