{"id":"CVE-2026-122670","kind":"vulnerability","aliases":["CVE-2026-122670"],"related":[],"title":"Polylang WordPress plugin: missing authorization check exposes access control","description":"Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.","summary":"Polylang, a WordPress translation plugin, has a missing authorization check that lets a user reach functions they should not. The sources do not say what data or actions an attacker gets beyond that.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","polylang","self-hosted","wordpress"],"not_affected_if":["polylang-not-installed"],"how_to_check":"- Check the installed Polylang version in the WordPress admin plugins list or with `wp plugin get polylang --field=version`\n- Confirm whether the site runs Polylang at all","fix":"- Polylang: versions after `3.9` per the NVD description; exact fixed version unknown","status":"open","published_at":"2026-11-06T23:17:21+00:00","first_seen_at":"2026-11-06T23:44:35+00:00","triaged_at":"2026-11-06T23:45:11+00:00","updated_at":"2026-11-06T23:45:11+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-06T23:45:11Z","model":"claude-haiku-5-5","output":{"fix":"- Polylang: versions after `3.9` per the NVD description; exact fixed version unknown","reach":"unknown","title":"Polylang WordPress plugin: missing authorization check exposes access control","impact":"medium","summary":"Polylang, a WordPress translation plugin, has a missing authorization check that lets a user reach functions they should not. The sources do not say what data or actions an attacker gets beyond that.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","polylang","self-hosted"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown access to plugin functions; exact impact not stated","analyst_note":"Find the WP SYNTEX advisory or Wordfence record for CVE-2026-122670 to get the fixed version and the exact unauthorized action.","how_to_check":"- Check the installed Polylang version in the WordPress admin plugins list or with `wp plugin get polylang --field=version`\n- Confirm whether the site runs Polylang at all","plain_action":"","needs_analyst":true,"not_affected_if":["polylang-not-installed"],"who_is_affected":"Sites running the Polylang plugin for WordPress in the affected range (through 3.9). The sources do not say which configurations or roles make the flaw reachable.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000672,"input_tokens":4209,"output_tokens":502,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-122670':12A,15A '-2026':11A,14A '3.9':76C 'access':8A,66C 'action':49B 'affect':71C 'allow':62C 'attack':51B 'author':5A,30B,55C 'beyond':53B 'check':6A,31B 'configur':65C 'control':9A,67C 'cve':10A,13A 'data':47B 'exploit':63C 'expos':7A 'function':37B 'get':52B 'host':20B 'incorrect':64C 'issu':70C 'let':33B 'levels.this':69C 'miss':4A,29B,54C 'n/a':74C 'packag':16B 'plugin':3A,26B 'polylang':1A,17B,22B,60C,61C,72C 'reach':36B 'say':45B 'secur':68C 'self':19B 'self-host':18B 'sourc':42B 'syntex':59C 'translat':25B 'user':35B 'vulner':56C 'wordpress':2A,21B,24B 'wp':58C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Polylang plugin for WordPress in the affected range (through 3.9). The sources do not say which configurations or roles make the flaw reachable.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","polylang","selfhosted","wordpress"],"campaign_type":null,"search_a":"'-122670':12A,15A '-2026':11A,14A 'access':8A 'author':5A 'check':6A 'control':9A 'cve':10A,13A 'expos':7A 'miss':4A 'plugin':3A 'polylang':1A 'wordpress':2A","search_b":"'action':49B 'attack':51B 'author':30B 'beyond':53B 'check':31B 'data':47B 'function':37B 'get':52B 'host':20B 'let':33B 'miss':29B 'packag':16B 'plugin':26B 'polylang':17B,22B 'reach':36B 'say':45B 'self':19B 'self-host':18B 'sourc':42B 'translat':25B 'user':35B 'wordpress':21B,24B","search_c":"'3.9':76C 'access':66C 'affect':71C 'allow':62C 'author':55C 'configur':65C 'control':67C 'exploit':63C 'incorrect':64C 'issu':70C 'levels.this':69C 'miss':54C 'n/a':74C 'polylang':60C,61C,72C 'secur':68C 'syntex':59C 'vulner':56C 'wp':58C","first_public_at":"2026-11-06T23:17:21+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-122670","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122670","severity":null,"published_at":"2026-11-06T23:17:21+00:00","modified_at":"2026-11-06T23:17:21+00:00","first_seen_at":"2026-11-06T23:44:35+00:00","fetched_at":"2026-11-06T23:44:35+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"}