CVE-2014-6393

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    CVE-2014-6393

    Published: 9 Aug 2017Last Modified: 10 Apr 2026

    Summary:

    Details: The Express web framework before 3.11 and 4.x before 4.5 for Node.js does not provide a charset field in HTTP Content-Type headers in 400 level responses, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via characters in a non-standard encoding.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1203190, https://nodesecurity.io/advisories/express-no-charset-in-content-type-header, https://bugzilla.redhat.com/show_bug.cgi?id=1203190

    Affected packages

    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