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    CVE-2008-5556

    The XSS Filter in Microsoft Internet Explorer 8.0 Beta 2 does not recognize attack patterns designed to operate against web pages that are encoded with utf-7, which allows remote attackers to bypass the XSS protection mechanism and conduct XSS attacks by injecting crafted utf-7 content. NOTE: the vendor reportedly disputes this issue, stating "Behaviour is by design.

    Published:Dec 12, 2008
    Last Modified:Apr 23, 2026
    EPS:Dec 12, 2008
    EPSS Score:0.11107
    CVSS Score:4.3

    Affected Products

    Vendor
    Microsoft
    Product
    Internet Explorer

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High