{"id":"CVE-2026-105880","kind":"vulnerability","aliases":["CVE-2026-105880"],"related":[],"title":"WebinarIgnition: authorization bypass via user-controlled key, up to 4.27.125","description":"Authorization Bypass Through User-Controlled Key vulnerability in Tobias WebinarIgnition webinar-ignition allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WebinarIgnition: from n/a through 4.27.125.","summary":"WebinarIgnition, a WordPress webinar plugin, has an authorization bypass where a user-controlled key lets requests skip access checks. An attacker may be able to reach data or actions they should not have access to.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"webinar-ignition","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["other","webinar-ignition","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed WebinarIgnition plugin version in the WordPress admin under Plugins; affected versions are listed as up to and including `4.27.125`.","fix":"- Move WebinarIgnition to a version later than `4.27.125`, if the vendor has released one; the sources do not name the fixed version.","status":"open","published_at":"2026-11-13T13:17:39+00:00","first_seen_at":"2026-11-13T13:46:51+00:00","triaged_at":"2026-11-13T13:48:09+00:00","updated_at":"2026-11-13T13:48:09+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-13T13:48:09Z","model":"claude-haiku-5-5","output":{"fix":"- Move WebinarIgnition to a version later than `4.27.125`, if the vendor has released one; the sources do not name the fixed version.","reach":"internet","title":"WebinarIgnition: authorization bypass via user-controlled key, up to 4.27.125","impact":"medium","summary":"WebinarIgnition, a WordPress webinar plugin, has an authorization bypass where a user-controlled key lets requests skip access checks. An attacker may be able to reach data or actions they should not have access to.","audience":"businesses","category":"other","nicknames":[],"who_cares":["wordpress","webinar-ignition"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unauthorized access to protected plugin data or actions","analyst_note":"Confirm the fixed version and the exact access-control behavior from the NVD entry or the vendor advisory at https://nvd.nist.gov/vuln/detail/CVE-2026-105880.","how_to_check":"- Check the installed WebinarIgnition plugin version in the WordPress admin under Plugins; affected versions are listed as up to and including `4.27.125`.\n- unknown","plain_action":"","product_name":"webinar-ignition","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the WebinarIgnition plugin at or below version 4.27.125 are potentially exposed, where access control depends on a user-supplied key. Sites that do not run this plugin can skip it. The sources do not say which configurations are required to trigger the flaw.","user_interaction":"unknown","product_ecosystem":"vendor","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000757,"input_tokens":4557,"output_tokens":603,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-105880':14A,17A '-2026':13A,16A '4.27.125':11A,89C 'abl':50B 'access':44B,60B,79C 'action':55B 'affect':84C 'allow':75C 'attack':47B 'author':2A,33B,61C 'bypass':3A,34B,62C 'check':45B 'configur':78C 'control':7A,39B,66C,80C 'cve':12A,15A 'data':53B 'exploit':76C 'ignit':24B,74C 'ignition':20A 'incorrect':77C 'issu':83C 'key':8A,40B,67C 'let':41B 'levels.this':82C 'may':48B 'n/a':87C 'plugin':30B 'reach':52B 'request':42B 'secur':81C 'skip':43B 'tobia':70C 'user':6A,38B,65C 'user-control':5A,37B,64C 'via':4A 'vulner':68C 'webinar':19A,23B,29B,73C 'webinar-ignit':22B,72C 'webinar-ignition':18A 'webinarignit':1A,26B,71C,85C 'wordpress':25B,28B","nicknames":[],"mitigations":[],"who_affected":"Sites running the WebinarIgnition plugin at or below version 4.27.125 are potentially exposed, where access control depends on a user-supplied key. Sites that do not run this plugin can skip it. The sources do not say which configurations are required to trigger the flaw.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":["webinarignition"],"ptokens":["ignition","webinar"],"labels":["medium","other","vendor","webinarignition","wordpress"],"campaign_type":null,"search_a":"'-105880':14A,17A '-2026':13A,16A '4.27.125':11A 'author':2A 'bypass':3A 'control':7A 'cve':12A,15A 'ignition':20A 'key':8A 'user':6A 'user-control':5A 'via':4A 'webinar':19A 'webinar-ignition':18A 'webinarignit':1A","search_b":"'abl':50B 'access':44B,60B 'action':55B 'attack':47B 'author':33B 'bypass':34B 'check':45B 'control':39B 'data':53B 'ignit':24B 'key':40B 'let':41B 'may':48B 'plugin':30B 'reach':52B 'request':42B 'skip':43B 'user':38B 'user-control':37B 'webinar':23B,29B 'webinar-ignit':22B 'webinarignit':26B 'wordpress':25B,28B","search_c":"'4.27.125':89C 'access':79C 'affect':84C 'allow':75C 'author':61C 'bypass':62C 'configur':78C 'control':66C,80C 'exploit':76C 'ignit':74C 'incorrect':77C 'issu':83C 'key':67C 'levels.this':82C 'n/a':87C 'secur':81C 'tobia':70C 'user':65C 'user-control':64C 'vulner':68C 'webinar':73C 'webinar-ignit':72C 'webinarignit':71C,85C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-13T13:17:39+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-2026-105880","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105880","severity":null,"published_at":"2026-11-13T13:17:39+00:00","modified_at":"2026-11-13T13:17:39+00:00","first_seen_at":"2026-11-13T13:46:51+00:00","fetched_at":"2026-11-13T13:46:51+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"}