CVE-2017-17091

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    CVE-2017-17091

    Published: 2 Dec 2017Last Modified: 8 Jul 2026

    Summary:

    Details: wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.

    References: https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html, http://www.securityfocus.com/bid/102024, https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/, https://wpvulndb.com/vulnerabilities/8969, https://www.debian.org/security/2018/dsa-4090, https://codex.wordpress.org/Version_4.9.1, https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.9

    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-2017-17091 | CVE-DB