{"id":"CVE-2026-118092","kind":"vulnerability","aliases":["CVE-2026-118092"],"related":[],"title":"MasterStudy LMS WordPress plugin: missing authorization check through 3.7.55","description":"Missing Authorization vulnerability in StylemixThemes MasterStudy LMS masterstudy-lms-learning-management-system allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MasterStudy LMS: from n/a through 3.7.55.","summary":"The MasterStudy LMS learning management plugin for WordPress has a missing authorization check, so access control is not enforced on some functions. The sources do not say exactly what data or actions an attacker can reach.","severity":"medium","cvss":4.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["masterstudy-lms","package","self-hosted","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed MasterStudy LMS plugin version in the WordPress admin plugins list or the plugin header in `wp-content/plugins/masterstudy-lms-learning-management-system/`\n- Compare the installed version against `3.7.55`; versions up to and including it are listed as affected","fix":"- Move MasterStudy LMS to a version later than `3.7.55` (the sources do not name the fixed version)","status":"open","published_at":"2026-10-29T15:17:21+00:00","first_seen_at":"2026-10-29T15:25:39+00:00","triaged_at":"2026-10-29T15:27:06+00:00","updated_at":"2026-10-29T15:27:06+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-10-29T15:27:06Z","model":"claude-haiku-5-5","output":{"fix":"- Move MasterStudy LMS to a version later than `3.7.55` (the sources do not name the fixed version)","reach":"internet","title":"MasterStudy LMS WordPress plugin: missing authorization check through 3.7.55","impact":"medium","summary":"The MasterStudy LMS learning management plugin for WordPress has a missing authorization check, so access control is not enforced on some functions. The sources do not say exactly what data or actions an attacker can reach.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","masterstudy-lms","self-hosted"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown access-control bypass on the LMS plugin","analyst_note":"Check the NVD entry and the plugin's changelog for the fixed version and the affected endpoint, and whether authentication is required.","how_to_check":"- Check the installed MasterStudy LMS plugin version in the WordPress admin plugins list or the plugin header in `wp-content/plugins/masterstudy-lms-learning-management-system/`\n- Compare the installed version against `3.7.55`; versions up to and including it are listed as affected","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the MasterStudy LMS WordPress plugin at version 3.7.55 or earlier are listed as affected. The sources do not say which functions lack the check or whether a logged-in account is required, so the exposure of any given site is unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000705,"input_tokens":4130,"output_tokens":583,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-118092':12A,15A '-2026':11A,14A '3.7.55':9A,88C 'access':38B,77C 'action':55B 'affect':82C 'allow':73C 'attack':57B 'author':6A,35B,61C 'check':7A,36B 'configur':76C 'control':39B,78C 'cve':10A,13A 'data':53B 'enforc':42B 'exact':51B 'exploit':74C 'function':45B 'host':22B 'incorrect':75C 'issu':81C 'learn':27B,70C 'levels.this':80C 'lms':2A,18B,26B,66C,69C,84C 'manag':28B,71C 'masterstudi':1A,17B,25B,65C,68C,83C 'masterstudy-lm':16B 'masterstudy-lms-learning-management-system':67C 'miss':5A,34B,60C 'n/a':86C 'packag':19B 'plugin':4A,29B 'reach':59B 'say':50B 'secur':79C 'self':21B 'self-host':20B 'sourc':47B 'stylemixthem':64C 'system':72C 'vulner':62C 'wordpress':3A,23B,31B","nicknames":[],"mitigations":[],"who_affected":"Sites running the MasterStudy LMS WordPress plugin at version 3.7.55 or earlier are listed as affected. The sources do not say which functions lack the check or whether a logged-in account is required, so the exposure of any given site is unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-29T15:17:21+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118092","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118092","severity":null,"published_at":"2026-10-29T15:17:21+00:00","modified_at":"2026-10-29T15:18:54+00:00","first_seen_at":"2026-10-29T15:25:39+00:00","fetched_at":"2026-10-29T15:25:39+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}