{"id":"CVE-2026-81026","aliases":["EUVD-2026-68062","GHSA-26xx-gp3p-fv9p"],"status":"published","title":"MasterStudy LMS \u003c 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN","description":"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.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00223,"percentile":0.13023,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-08-29T06:00:23Z","modified":"2026-08-31T20:14:36Z","products":[{"vendor":"unknown","product":"masterstudy lms wordpress plugin"}],"references":[{"url":"https://wpscan.com/vulnerability/6677b55c-5d51-4849-ac67-849a500aefe2/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81026"},{"url":"https://wpscan.com/vulnerability/6677b55c-5d51-4849-ac67-849a500aefe2"},{"url":"https://github.com/advisories/GHSA-26xx-gp3p-fv9p"}],"sources":{"cve":[{"id":"CVE-2026-81026","title":"MasterStudy LMS \u003c 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN","description":"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.","status":"published","published":"2026-08-29T06:00:23.592Z","modified":"2026-08-30T00:56:50.594Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:36:29.327819Z"}],"euvd":[{"id":"EUVD-2026-68062","description":"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.","status":"published","published":"2026-08-29T06:00:23Z","modified":"2026-08-30T00:56:50Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:21.466916Z"}],"ghsa":[{"id":"GHSA-26xx-gp3p-fv9p","title":"The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.40 does not verify the amount,...","description":"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.","status":"published","published":"2026-08-29T06:30:24Z","modified":"2026-08-30T03:31:22Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:11:10.168906Z"}],"nvd":[{"id":"CVE-2026-81026","description":"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.","status":"published","published":"2026-08-29T06:17:55.99Z","modified":"2026-08-31T20:14:36.25Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:42.366888Z"}]}}