Microsoft Internet Explorer 8 through 11 allows remote attackers to bypass the XSS filter via a crafted attribute of an element in an HTML document, aka "Internet Explorer XSS Filter Bypass Vulnerability," a different vulnerability than CVE-2014-6365.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.