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    CVE-2017-5493

    wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.

    Published:Jan 15, 2017
    Last Modified:Apr 20, 2025
    EPS:Jan 15, 2017
    EPSS Score:0.01544
    CVSS Score:7.5

    Affected Products

    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.debian.org/security/2017/dsa-3779
    http://www.openwall.com/lists/oss-security/2017/01/14/6
    http://www.securityfocus.com/bid/95401
    http://www.securitytracker.com/id/1037591
    https://codex.wordpress.org/Version_4.7.1
    https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4
    https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
    https://wpvulndb.com/vulnerabilities/8721
    http://www.debian.org/security/2017/dsa-3779
    http://www.openwall.com/lists/oss-security/2017/01/14/6
    http://www.securityfocus.com/bid/95401
    http://www.securitytracker.com/id/1037591
    https://codex.wordpress.org/Version_4.7.1
    https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4
    https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
    https://wpvulndb.com/vulnerabilities/8721

    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