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    CVE-2026-81026

    The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by paying only a token amount.

    Published:Aug 29, 2026
    Last Modified:Sep 1, 2026
    EPS:Aug 29, 2026
    EPSS Score:0.00145
    CVSS Score:4.8

    Affected Products

    Vendor
    Stylemix
    Product
    Masterstudy Lms Wordpress Plugin
    Vendor
    Wordpress
    Product
    Wordpress

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2026-81198 (CVSS 3.8) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify ownership of a c…
    CVE-2026-81197 (CVSS 5.3) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not restrict access to a REST route …
    CVE-2026-81196 (CVSS 2.7) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify ownership of qui…
    CVE-2026-81195 (CVSS 5.3) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not perform an authorization check b…
    CVE-2026-81194 (CVSS 4.3) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify authorization wh…
    CVE-2026-81342 (CVSS 4.7) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.43 does not validate a redirect parameter su…
    CVE-2026-81200 (CVSS 2.7) — The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.42 does not correctly restrict access to ord…
    CVE-2025-13766 (CVSS 5.4) — The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to …

    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