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    CVE-2026-19423

    The Ultimate Member WordPress plugin before 2.13.0 does not validate a submitted role selection when it cannot resolve the set of roles a profile form permits, and screens the value against the site's registered role names rather than against the form's own allow-list, allowing unauthenticated users who register through the Ultimate Member WordPress plugin before 2.13.0's own form to grant themselves arbitrary capabilities and reach administrator-equivalent access.

    Published:Aug 28, 2026
    Last Modified:Aug 28, 2026
    EPS:Aug 28, 2026
    EPSS Score:0.00146
    CVSS Score:8.1

    Affected Products

    Vendor
    Ultimatemember
    Product
    Ultimate Member
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

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    CVE-2026-12251 (CVSS 8.1) — The Ultimate Member WordPress plugin before 2.12.1 does not filter administrator-level capabilities from the …
    CVE-2026-11766 (CVSS 8) — The Ultimate Member WordPress plugin before 2.12.0 does not properly sanitise and escape the value of custom …
    CVE-2020-37169 (CVSS 6.8) — WordPress Plugin ultimate-member 2.1.3 contains a local file inclusion vulnerability that allows authenticated…
    CVE-2026-39659 (CVSS 5.3) — This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.…
    CVE-2025-13220 (CVSS 6.4) — The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Pl…
    CVE-2025-12492 (CVSS 5.3) — The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Pl…
    CVE-2025-14081 (CVSS 4.3) — The Ultimate Member plugin for WordPress is vulnerable to Profile Privacy Setting Bypass in all versions up to…
    CVE-2024-12276 (CVSS 5.3) — The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Pl…
    CVE-2025-0308 (CVSS 7.5) — The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Pl…

    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