XSS in Microsoft .Net_framework

CVE-2008-3843

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) attac…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.220 (97.4th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2008-3843?
CVE-2008-3843 is a vulnerability in Microsoft .Net_framework, classified under Cross-site Scripting. Published 2008-08-27.
Is CVE-2008-3843 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.