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    CVE-2023-6855

    The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress is vulnerable to unauthorized modification of membership levels created by the plugin due to an incorrectly implemented capability check in the pmpro_rest_api_get_permissions_check function in all versions up to 2.12.5 (inclusive). This makes it possible for unauthenticated attackers to change membership levels including prices.

    Published:Jan 11, 2024
    Last Modified:Apr 8, 2026
    EPS:Jan 11, 2024
    EPSS Score:0.00347
    CVSS Score:5.3

    Affected Products

    Vendor
    Strangerstudios
    Product
    Paid Memberships Pro

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2024-37277 (CVSS 7.5) — Authorization Bypass Through User-Controlled Key vulnerability in Paid Memberships Pro allows Accessing Functi…
    CVE-2024-1286 (CVSS 4.9) — The pmpro-membership-maps WordPress plugin before 0.7 does not prevent users with at least the contributor rol…
    CVE-2024-1287 (CVSS 6.5) — The pmpro-member-directory WordPress plugin before 1.2.6 does not prevent users with at least the contributor …
    CVE-2024-37486 (CVSS 7.6) — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Paid Mem…
    CVE-2023-39990 (CVSS 5.4) — Missing Authorization vulnerability in Paid Memberships Pro.This issue affects Paid Memberships Pro: from n/a …
    CVE-2024-1407 (CVSS 5.4) — The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress i…
    CVE-2024-3215 (CVSS 5.3) — The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress i…
    CVE-2024-32793 (CVSS 5.4) — Cross-Site Request Forgery (CSRF) vulnerability in Paid Memberships Pro.This issue affects Paid Memberships Pr…
    CVE-2024-32794 (CVSS 4.3) — Cross-Site Request Forgery (CSRF) vulnerability in Paid Memberships Pro.This issue affects Paid Memberships Pr…
    CVE-2024-0588 (CVSS 4.3) — The Paid Memberships Pro – Content Restriction, User Registration, & Paid Subscriptions plugin for WordPress i…

    References

    https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L528
    https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L997
    https://plugins.trac.wordpress.org/changeset/3011575/paid-memberships-pro/trunk/includes/rest-api.php?contextall=1&old=2947813&old_path=%2Fpaid-memberships-pro%2Ftrunk%2Fincludes%2Frest-api.php
    https://www.wordfence.com/threat-intel/vulnerabilities/id/383c7837-e7b7-4608-9cdc-91b7dbc7f4e2?source=cve
    https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L528
    https://plugins.trac.wordpress.org/browser/paid-memberships-pro/trunk/includes/rest-api.php#L997
    https://plugins.trac.wordpress.org/changeset/3011575/paid-memberships-pro/trunk/includes/rest-api.php?contextall=1&old=2947813&old_path=%2Fpaid-memberships-pro%2Ftrunk%2Fincludes%2Frest-api.php
    https://www.wordfence.com/threat-intel/vulnerabilities/id/383c7837-e7b7-4608-9cdc-91b7dbc7f4e2?source=cve

    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