{"id":"CVE-2026-124271","kind":"vulnerability","aliases":["CVE-2026-124271"],"related":[],"title":"WordPress membership plugin: missing authorization lets users bypass access restrictions","description":"Missing Authorization vulnerability in DEV Institute Restrict User Access – Membership Plugin with Force restrict-user-access allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Restrict User Access – Membership Plugin with Force: from n/a through 2.8.3.","summary":"The Restrict User Access membership plugin for WordPress, made by DEV Institute, has a missing authorization check that enforces access control incorrectly. An attacker may be able to reach content or actions they should not have access to.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["membership-sites","package","restrict-user-access","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check whether the site runs the `restrict-user-access` plugin in the WordPress plugins list or `wp-content/plugins/restrict-user-access/`\n- Read the installed version in the plugin header and compare it with `2.8.3`","fix":"- Restrict User Access – Membership Plugin with Force: no fixed version is stated in the sources; versions through `2.8.3` are affected","status":"open","published_at":"2026-11-11T12:19:46+00:00","first_seen_at":"2026-11-11T12:27:11+00:00","triaged_at":"2026-11-11T12:28:54+00:00","updated_at":"2026-11-11T12:28:54+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-11T12:28:54Z","model":"claude-haiku-5-5","output":{"fix":"- Restrict User Access – Membership Plugin with Force: no fixed version is stated in the sources; versions through `2.8.3` are affected","reach":"internet","title":"WordPress membership plugin: missing authorization lets users bypass access restrictions","impact":"medium","summary":"The Restrict User Access membership plugin for WordPress, made by DEV Institute, has a missing authorization check that enforces access control incorrectly. An attacker may be able to reach content or actions they should not have access to.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","restrict-user-access","membership-sites"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown access to restricted membership content or actions","analyst_note":"Find the vendor advisory or the Wordfence/WPScan entry for CVE-2026-124271 to confirm the fixed version and the exact access check that is missing.","how_to_check":"- Check whether the site runs the `restrict-user-access` plugin in the WordPress plugins list or `wp-content/plugins/restrict-user-access/`\n- Read the installed version in the plugin header and compare it with `2.8.3`","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running WordPress with the Restrict User Access – Membership Plugin with Force (restrict-user-access) at version 2.8.3 or earlier are affected. Sites that do not use this plugin can skip it. The sources do not describe the exact configuration that triggers the flaw.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000762,"input_tokens":4560,"output_tokens":611,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-124271':13A,16A '-2026':12A,15A '2.8.3':100C 'abl':52B 'access':9A,24B,29B,45B,62B,71C,79C,84C,92C 'action':57B 'affect':89C 'allow':80C 'attack':49B 'author':5A,41B,64C 'bypass':8A 'check':42B 'configur':83C 'content':55B 'control':46B,85C 'cve':11A,14A 'dev':36B,67C 'enforc':44B 'exploit':81C 'forc':75C,96C 'incorrect':47B,82C 'institut':37B,68C 'issu':88C 'let':6A 'levels.this':87C 'made':34B 'may':50B 'membership':2A,18B,30B,72C,93C 'membership-sit':17B 'miss':4A,40B,63C 'n/a':98C 'packag':20B 'plugin':3A,31B,73C,94C 'reach':54B 'restrict':10A,22B,27B,69C,77C,90C 'restrict-user-access':21B,76C 'secur':86C 'site':19B 'user':7A,23B,28B,70C,78C,91C 'vulner':65C 'wordpress':1A,25B,33B","nicknames":[],"mitigations":[],"who_affected":"Sites running WordPress with the Restrict User Access – Membership Plugin with Force (restrict-user-access) at version 2.8.3 or earlier are affected. Sites that do not use this plugin can skip it. The sources do not describe the exact configuration that triggers the flaw.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","membershipsites","package","restrictuseraccess","wordpress"],"campaign_type":null,"search_a":"'-124271':13A,16A '-2026':12A,15A 'access':9A 'author':5A 'bypass':8A 'cve':11A,14A 'let':6A 'membership':2A 'miss':4A 'plugin':3A 'restrict':10A 'user':7A 'wordpress':1A","search_b":"'abl':52B 'access':24B,29B,45B,62B 'action':57B 'attack':49B 'author':41B 'check':42B 'content':55B 'control':46B 'dev':36B 'enforc':44B 'incorrect':47B 'institut':37B 'made':34B 'may':50B 'membership':18B,30B 'membership-sit':17B 'miss':40B 'packag':20B 'plugin':31B 'reach':54B 'restrict':22B,27B 'restrict-user-access':21B 'site':19B 'user':23B,28B 'wordpress':25B,33B","search_c":"'2.8.3':100C 'access':71C,79C,84C,92C 'affect':89C 'allow':80C 'author':64C 'configur':83C 'control':85C 'dev':67C 'exploit':81C 'forc':75C,96C 'incorrect':82C 'institut':68C 'issu':88C 'levels.this':87C 'membership':72C,93C 'miss':63C 'n/a':98C 'plugin':73C,94C 'restrict':69C,77C,90C 'restrict-user-access':76C 'secur':86C 'user':70C,78C,91C 'vulner':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T12:19:46+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-124271","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124271","severity":null,"published_at":"2026-11-11T12:19:46+00:00","modified_at":"2026-11-11T12:19:47+00:00","first_seen_at":"2026-11-11T12:27:11+00:00","fetched_at":"2026-11-11T12:27:11+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}