{"id":"CVE-2026-128834","kind":"vulnerability","aliases":["CVE-2026-128834"],"related":[],"title":"Spectra WordPress plugin: missing authorization check exposes access control","description":"Missing Authorization vulnerability in Brainstorm Force Spectra ultimate-addons-for-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Spectra: from n/a through 2.20.5.","summary":"Spectra (ultimate-addons-for-gutenberg), a WordPress block plugin by Brainstorm Force, has a missing authorization check. The sources say it allows exploiting incorrectly configured access control, which may let a user reach functions they should not.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","spectra","ultimate-addons-for-gutenberg","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed Spectra version in the WordPress admin Plugins page, or with `wp plugin get ultimate-addons-for-gutenberg --field=version`","fix":"- Spectra: versions after `2.20.5` are affected range end; the sources do not name the fixed version","status":"open","published_at":"2026-11-13T13:18:21+00:00","first_seen_at":"2026-11-13T13:46:52+00:00","triaged_at":"2026-11-13T13:48:02+00:00","updated_at":"2026-11-13T13:48:02+00:00","category":"package","confidence":0.4,"triage":{"at":"2026-11-13T13:48:02Z","model":"claude-haiku-5-5","output":{"fix":"- Spectra: versions after `2.20.5` are affected range end; the sources do not name the fixed version\n- unknown","reach":"unknown","title":"Spectra WordPress plugin: missing authorization check exposes access control","impact":"medium","summary":"Spectra (ultimate-addons-for-gutenberg), a WordPress block plugin by Brainstorm Force, has a missing authorization check. The sources say it allows exploiting incorrectly configured access control, which may let a user reach functions they should not.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","spectra","ultimate-addons-for-gutenberg"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unauthorized users may reach restricted plugin functions","analyst_note":"Confirm the fixed version and affected endpoints from the Wordfence or Patchstack advisory and the NVD entry, since the sources give only the affected range.","how_to_check":"- Check the installed Spectra version in the WordPress admin Plugins page, or with `wp plugin get ultimate-addons-for-gutenberg --field=version`\n- unknown for anything beyond the version check; the sources do not say which endpoints or settings are involved","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the Spectra (ultimate-addons-for-gutenberg) WordPress plugin at version 2.20.5 or earlier. The sources do not say which configurations or roles are needed to reach the flaw.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000752,"input_tokens":4552,"output_tokens":594,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-128834':12A,15A '-2026':11A,14A '2.20.5':85C 'access':8A,50B,75C 'addon':20B,27B,68C 'affect':80C 'allow':46B,71C 'author':5A,40B,60C 'block':32B 'brainstorm':35B,63C 'check':6A,41B 'configur':49B,74C 'control':9A,51B,76C 'cve':10A,13A 'exploit':47B,72C 'expos':7A 'forc':36B,64C 'function':58B 'gutenberg':22B,29B,70C 'incorrect':48B,73C 'issu':79C 'let':54B 'levels.this':78C 'may':53B 'miss':4A,39B,59C 'n/a':83C 'packag':16B 'plugin':3A,33B 'reach':57B 'say':44B 'secur':77C 'sourc':43B 'spectra':1A,17B,24B,65C,81C 'ultim':19B,26B,67C 'ultimate-addons-for-gutenberg':18B,25B,66C 'user':56B 'vulner':61C 'wordpress':2A,23B,31B","nicknames":[],"mitigations":[],"who_affected":"Sites running the Spectra (ultimate-addons-for-gutenberg) WordPress plugin at version 2.20.5 or earlier. The sources do not say which configurations or roles are needed to reach the flaw.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","spectra","ultimateaddonsforgutenberg","wordpress"],"campaign_type":null,"search_a":"'-128834':12A,15A '-2026':11A,14A 'access':8A 'author':5A 'check':6A 'control':9A 'cve':10A,13A 'expos':7A 'miss':4A 'plugin':3A 'spectra':1A 'wordpress':2A","search_b":"'access':50B 'addon':20B,27B 'allow':46B 'author':40B 'block':32B 'brainstorm':35B 'check':41B 'configur':49B 'control':51B 'exploit':47B 'forc':36B 'function':58B 'gutenberg':22B,29B 'incorrect':48B 'let':54B 'may':53B 'miss':39B 'packag':16B 'plugin':33B 'reach':57B 'say':44B 'sourc':43B 'spectra':17B,24B 'ultim':19B,26B 'ultimate-addons-for-gutenberg':18B,25B 'user':56B 'wordpress':23B,31B","search_c":"'2.20.5':85C 'access':75C 'addon':68C 'affect':80C 'allow':71C 'author':60C 'brainstorm':63C 'configur':74C 'control':76C 'exploit':72C 'forc':64C 'gutenberg':70C 'incorrect':73C 'issu':79C 'levels.this':78C 'miss':59C 'n/a':83C 'secur':77C 'spectra':65C,81C 'ultim':67C 'ultimate-addons-for-gutenberg':66C 'vulner':61C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-13T13:18:21+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-2026-128834","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128834","severity":null,"published_at":"2026-11-13T13:18:21+00:00","modified_at":"2026-11-13T13:18:22+00:00","first_seen_at":"2026-11-13T13:46:52+00:00","fetched_at":"2026-11-13T13:46:52+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"}