{"id":"CVE-2026-123064","kind":"vulnerability","aliases":["CVE-2026-123064"],"related":[],"title":"WP BASE Booking WordPress plugin: subscribers can create administrator accounts","description":"The WP BASE Booking of Appointments, Services and Events WordPress plugin before 6.5.1 does not properly restrict access to one of its user-creation actions, allowing authenticated users with Subscriber-level access and above to create a new administrator account and thereby escalate their privileges.","summary":"The WP BASE Booking of Appointments, Services and Events WordPress plugin before 6.5.1 does not restrict one of its user-creation actions. An authenticated user with Subscriber-level access can create a new administrator account and take control of the site.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"WP BASE Booking of Appointments, Services and Events","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["package","self-hosted","wordpress","wp-base-booking"],"not_affected_if":["plugin-6.5.1-or-later","plugin-not-installed"],"how_to_check":"- Check the installed plugin version in the WordPress admin under Plugins; the sources do not name a specific version string for checking beyond 'before 6.5.1'.\n- Review the Users list for administrator accounts you did not create.","fix":"- Update the WP BASE Booking plugin to `6.5.1` or later.","status":"open","published_at":"2026-11-09T07:17:29+00:00","first_seen_at":"2026-11-09T07:25:04+00:00","triaged_at":"2026-11-09T07:25:41+00:00","updated_at":"2026-11-09T07:25:41+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-09T07:25:41Z","model":"claude-haiku-5-5","output":{"fix":"- Update the WP BASE Booking plugin to `6.5.1` or later.","reach":"internet","title":"WP BASE Booking WordPress plugin: subscribers can create administrator accounts","impact":"high","summary":"The WP BASE Booking of Appointments, Services and Events WordPress plugin before 6.5.1 does not restrict one of its user-creation actions. An authenticated user with Subscriber-level access can create a new administrator account and take control of the site.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","wp-base-booking","self-hosted"],"confidence":0.6,"fix_status":"available","needs_auth":"yes","worst_case":"attacker becomes site administrator and controls the WordPress site","analyst_note":"Confirm the affected version range and whether the vulnerable action needs any non-default setting, using the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-123064.","how_to_check":"- Check the installed plugin version in the WordPress admin under Plugins; the sources do not name a specific version string for checking beyond 'before 6.5.1'.\n- Review the Users list for administrator accounts you did not create.","plain_action":"","product_name":"WP BASE Booking of Appointments, Services and Events","needs_analyst":true,"not_affected_if":["plugin-not-installed","plugin-6.5.1-or-later"],"who_is_affected":"Sites running the WP BASE Booking of Appointments, Services and Events plugin before 6.5.1 where users can register or hold Subscriber-level accounts. The sources do not describe further configuration conditions.","user_interaction":"no","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000764,"input_tokens":4544,"output_tokens":619,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-123064':13A,16A '-2026':12A,15A '6.5.1':46B,89C 'access':64B,94C,110C 'account':10A,70B,118C 'action':56B,102C 'administr':9A,69B,117C 'allow':103C 'and':23A 'appoint':39B,82C 'appointments':21A 'authent':58B,104C 'base':2A,18A,32B,36B,79C 'book':3A,33B,37B,80C 'booking':19A 'control':73B 'creat':8A,66B,114C 'creation':55B,101C 'cve':11A,14A 'escal':121C 'event':42B,85C 'events':24A 'host':28B 'level':63B,109C 'new':68B,116C 'of':20A 'one':50B,96C 'packag':25B 'plugin':5A,44B,87C 'privileg':123C 'proper':92C 'restrict':49B,93C 'self':27B 'self-host':26B 'servic':40B,83C 'services':22A 'site':76B 'subscrib':6A,62B,108C 'subscriber-level':61B,107C 'take':72B 'therebi':120C 'user':54B,59B,100C,105C 'user-cr':53B,99C 'wordpress':4A,29B,43B,86C 'wp':1A,17A,31B,35B,78C 'wp-base-book':30B","nicknames":[],"mitigations":[],"who_affected":"Sites running the WP BASE Booking of Appointments, Services and Events plugin before 6.5.1 where users can register or hold Subscriber-level accounts. The sources do not describe further configuration conditions.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"pkeys":["basebookingofappointmentsservicesandevents","wpbasebookingofappointmentsservicesandevents"],"ptokens":["and","appointments","base","booking","events","of","services","wp"],"labels":["high","package","selfhosted","vendor","wordpress","wpbasebooking"],"campaign_type":null,"search_a":"'-123064':13A,16A '-2026':12A,15A 'account':10A 'administr':9A 'and':23A 'appointments':21A 'base':2A,18A 'book':3A 'booking':19A 'creat':8A 'cve':11A,14A 'events':24A 'of':20A 'plugin':5A 'services':22A 'subscrib':6A 'wordpress':4A 'wp':1A,17A","search_b":"'6.5.1':46B 'access':64B 'account':70B 'action':56B 'administr':69B 'appoint':39B 'authent':58B 'base':32B,36B 'book':33B,37B 'control':73B 'creat':66B 'creation':55B 'event':42B 'host':28B 'level':63B 'new':68B 'one':50B 'packag':25B 'plugin':44B 'restrict':49B 'self':27B 'self-host':26B 'servic':40B 'site':76B 'subscrib':62B 'subscriber-level':61B 'take':72B 'user':54B,59B 'user-cr':53B 'wordpress':29B,43B 'wp':31B,35B 'wp-base-book':30B","search_c":"'6.5.1':89C 'access':94C,110C 'account':118C 'action':102C 'administr':117C 'allow':103C 'appoint':82C 'authent':104C 'base':79C 'book':80C 'creat':114C 'creation':101C 'escal':121C 'event':85C 'level':109C 'new':116C 'one':96C 'plugin':87C 'privileg':123C 'proper':92C 'restrict':93C 'servic':83C 'subscrib':108C 'subscriber-level':107C 'therebi':120C 'user':100C,105C 'user-cr':99C 'wordpress':86C 'wp':78C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-09T07:17:29+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-123064","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123064","severity":null,"published_at":"2026-11-09T07:17:29+00:00","modified_at":"2026-11-09T07:17:29+00:00","first_seen_at":"2026-11-09T07:25:04+00:00","fetched_at":"2026-11-09T07:25:04+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"}