CVE-2016-4567

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    CVE-2016-4567

    Published: 22 May 2016Last Modified: 8 Jul 2026

    Summary:

    Details: Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by "jsinitfunctio%gn."

    References: http://www.openwall.com/lists/oss-security/2016/05/07/2, http://www.securitytracker.com/id/1035818, https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c, https://wpvulndb.com/vulnerabilities/8488, https://codex.wordpress.org/Version_4.5.2, https://core.trac.wordpress.org/changeset/37371, https://github.com/johndyer/mediaelement/blob/master/changelog.md, https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e, https://wordpress.org/news/2016/05/wordpress-4-5-2/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.20.1
    2.20.0

    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