CVE-2018-1000773

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    CVE-2018-1000773

    Published: 6 Sept 2018Last Modified: 8 Jul 2026

    Summary:

    Details: WordPress version 4.9.8 and earlier contains a CWE-20 Input Validation vulnerability in thumbnail processing that can result in remote code execution due to an incomplete fix for CVE-2017-1000600. This attack appears to be exploitable via thumbnail upload by an authenticated user and may require additional plugins in order to be exploited however this has not been confirmed at this time.

    References: http://www.securityfocus.com/bid/105306, https://www.theregister.co.uk/2018/08/20/php_unserialisation_wordpress_vuln/, https://youtu.be/GePBmsNJw6Y?t=1763

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.9.8

    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
    CVE-2018-1000773 | CVE-DB