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    CVE-2020-36157

    An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Unauthenticated Privilege Escalation via User Roles. Due to the lack of filtering on the role parameter that could be supplied during the registration process, an attacker could supply the role parameter with a WordPress capability (or any custom Ultimate Member role) and effectively be granted those privileges.

    Published:Jan 4, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 4, 2021
    EPSS Score:0.01524
    CVSS Score:10

    Affected Products

    Vendor
    Ultimatemember
    Product
    Ultimate Member

    Exploits

    https://wpscan.com/vulnerability/33f059c5-58e5-44b9-bb27-793c3cedef3bhttps://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/https://wpscan.com/vulnerability/33f059c5-58e5-44b9-bb27-793c3cedef3bhttps://www.wordfence.com/blog/2020/11/critical-privilege-escalation-vulnerabilities-affect-100k-sites-using-ultimate-member-plugin/

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-19251 (CVSS 5.3) — The Ultimate Member WordPress plugin before 2.13.0 does not check whether a comment has been approved, or whe…
    CVE-2026-19423 (CVSS 8.1) — The Ultimate Member WordPress plugin before 2.13.0 does not validate a submitted role selection when it canno…
    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    CVE-2026-39659 (CVSS 5.3) — This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.…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…

    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