{"id":"CVE-2026-123466","kind":"vulnerability","aliases":["CVE-2026-123466"],"related":[],"title":"WordPress Premium Blocks plugin: missing authorization check exposes restricted actions","description":"Missing Authorization vulnerability in LeapWorx Premium Blocks – Gutenberg Blocks for WordPress premium-blocks-for-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Premium Blocks – Gutenberg Blocks for WordPress: from n/a through 2.3.18.","summary":"The Premium Blocks Gutenberg plugin for WordPress has a missing authorization check, so access controls are not enforced on some actions. An attacker with access to the affected functions could perform actions they should not be allowed to perform.","severity":"medium","cvss":5.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","premium-blocks-for-gutenberg","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed version of Premium Blocks – Gutenberg Blocks for WordPress (plugin slug `premium-blocks-for-gutenberg`) in the WordPress admin plugin list.\n- Compare it against the affected range: from n/a through `2.3.18`.","fix":null,"status":"open","published_at":"2026-11-07T10:17:11+00:00","first_seen_at":"2026-11-07T10:46:41+00:00","triaged_at":"2026-11-07T10:48:42+00:00","updated_at":"2026-11-07T10:48:42+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-07T10:48:42Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"WordPress Premium Blocks plugin: missing authorization check exposes restricted actions","impact":"medium","summary":"The Premium Blocks Gutenberg plugin for WordPress has a missing authorization check, so access controls are not enforced on some actions. An attacker with access to the affected functions could perform actions they should not be allowed to perform.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","premium-blocks-for-gutenberg"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unauthorized actions on the WordPress site; scope not stated by sources","analyst_note":"Find the fixed version and the affected endpoint or action from the Wordfence or WordPress plugin advisory for premium-blocks-for-gutenberg, as NVD gives only the range.","how_to_check":"- Check the installed version of Premium Blocks – Gutenberg Blocks for WordPress (plugin slug `premium-blocks-for-gutenberg`) in the WordPress admin plugin list.\n- Compare it against the affected range: from n/a through `2.3.18`.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the Premium Blocks – Gutenberg Blocks for WordPress plugin (slug premium-blocks-for-gutenberg) at version 2.3.18 or earlier. The sources do not say which actions lack the check or what roles are needed, so the exact exposure is unknown. Sites that do not have the plugin installed are not affected.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000732,"input_tokens":4254,"output_tokens":614,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-123466':13A,16A '-2026':12A,15A '2.3.18':98C 'access':37B,48B,83C 'action':10A,44B,55B 'affect':51B,88C 'allow':60B,79C 'attack':46B 'author':6A,34B,64C 'block':3A,20B,26B,69C,71C,76C,90C,92C 'check':7A,35B 'configur':82C 'control':38B,84C 'could':53B 'cve':11A,14A 'enforc':41B 'exploit':80C 'expos':8A 'function':52B 'gutenberg':22B,27B,70C,78C,91C 'incorrect':81C 'issu':87C 'leapworx':67C 'levels.this':86C 'miss':5A,33B,63C 'n/a':96C 'packag':17B 'perform':54B,62B 'plugin':4A,28B 'premium':2A,19B,25B,68C,75C,89C 'premium-blocks-for-gutenberg':18B,74C 'restrict':9A 'secur':85C 'vulner':65C 'wordpress':1A,23B,30B,73C,94C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Premium Blocks – Gutenberg Blocks for WordPress plugin (slug premium-blocks-for-gutenberg) at version 2.3.18 or earlier. The sources do not say which actions lack the check or what roles are needed, so the exact exposure is unknown. Sites that do not have the plugin installed are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","premiumblocksforgutenberg","wordpress"],"campaign_type":null,"search_a":"'-123466':13A,16A '-2026':12A,15A 'action':10A 'author':6A 'block':3A 'check':7A 'cve':11A,14A 'expos':8A 'miss':5A 'plugin':4A 'premium':2A 'restrict':9A 'wordpress':1A","search_b":"'access':37B,48B 'action':44B,55B 'affect':51B 'allow':60B 'attack':46B 'author':34B 'block':20B,26B 'check':35B 'control':38B 'could':53B 'enforc':41B 'function':52B 'gutenberg':22B,27B 'miss':33B 'packag':17B 'perform':54B,62B 'plugin':28B 'premium':19B,25B 'premium-blocks-for-gutenberg':18B 'wordpress':23B,30B","search_c":"'2.3.18':98C 'access':83C 'affect':88C 'allow':79C 'author':64C 'block':69C,71C,76C,90C,92C 'configur':82C 'control':84C 'exploit':80C 'gutenberg':70C,78C,91C 'incorrect':81C 'issu':87C 'leapworx':67C 'levels.this':86C 'miss':63C 'n/a':96C 'premium':68C,75C,89C 'premium-blocks-for-gutenberg':74C 'secur':85C 'vulner':65C 'wordpress':73C,94C","first_public_at":"2026-11-07T10:17:11+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-2026-123466","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123466","severity":null,"published_at":"2026-11-07T10:17:11+00:00","modified_at":"2026-11-07T10:17:11+00:00","first_seen_at":"2026-11-07T10:46:41+00:00","fetched_at":"2026-11-07T10:46:41+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}