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Microsoft ASP.NET Unicode Character Conversion Multiple Cross-Site Scripting Vulnerabilities

It is reported that ASP.NET is prone to various cross-site scripting attacks. These issues when ASP.NET converts Unicode characters ranging from U+ff00-U+ff60 to ASCII.

Apparently, the application fails to properly validate Unicode characters allowing an attacker to craft a malicious link containing arbitrary HTML or script code to be executed in a user's browser.

This can facilitate theft of cookie-based credentials and other attacks.