{"id":"CVE-2026-96963","kind":"vulnerability","aliases":["CVE-2026-96963"],"related":[],"title":"Pie Register WordPress plugin: contributors can edit admin invitation codes","description":"The Pie Register  WordPress plugin through 3.8.4.15 does not perform an authorisation check in one of its AJAX actions, allowing users with a role as low as contributor to modify existing administrator-created invitation-code records.","summary":"The Pie Register WordPress plugin through 3.8.4.15 has an AJAX action that skips its authorisation check. A logged-in user with the contributor role or higher can change invitation-code records that administrators created.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","pie-register","wordpress"],"not_affected_if":["auth-required","plugin-not-installed"],"how_to_check":"- Check the installed Pie Register version in the WordPress plugins list or the plugin's main file header; versions through `3.8.4.15` are listed as affected.","fix":null,"status":"open","published_at":"2026-11-08T06:17:05+00:00","first_seen_at":"2026-11-08T06:46:21+00:00","triaged_at":"2026-11-08T06:47:11+00:00","updated_at":"2026-11-08T06:47:11+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-11-08T06:47:11Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"Pie Register WordPress plugin: contributors can edit admin invitation codes","impact":"medium","summary":"The Pie Register WordPress plugin through 3.8.4.15 has an AJAX action that skips its authorisation check. A logged-in user with the contributor role or higher can change invitation-code records that administrators created.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","pie-register"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"low-privilege users alter administrator-created invitation codes","analyst_note":"Confirm the fixed version and the affected AJAX action in the NVD entry or the plugin's changelog at https://nvd.nist.gov/vuln/detail/CVE-2026-96963.","how_to_check":"- Check the installed Pie Register version in the WordPress plugins list or the plugin's main file header; versions through `3.8.4.15` are listed as affected.\n- unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":["plugin-not-installed","auth-required"],"who_is_affected":"Sites running the Pie Register plugin through 3.8.4.15 that use invitation codes for registration. The attacker needs a contributor-level account or higher. Sites without this plugin, or without invitation codes, are not affected by this description.","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000713,"input_tokens":4525,"output_tokens":521,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-96963':13A,16A '3.8.4.15':28B,64C 'action':32B,76C 'admin':8A 'administr':56B,90C 'administrator-cr':89C 'ajax':31B,75C 'allow':77C 'authoris':36B,69C 'chang':50B 'check':37B,70C 'code':10A,53B,94C 'contributor':5A,45B,85C 'creat':57B,91C 'cve':11A,14A 'edit':7A 'exist':88C 'higher':48B 'invit':9A,52B,93C 'invitation-cod':51B,92C 'log':40B 'logged-in':39B 'low':83C 'modifi':87C 'one':72C 'packag':17B 'perform':67C 'pie':1A,19B,23B,59C 'pie-regist':18B 'plugin':4A,26B,62C 'record':54B,95C 'regist':2A,20B,24B,60C 'role':46B,81C 'skip':34B 'user':42B,78C 'wordpress':3A,21B,25B,61C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Pie Register plugin through 3.8.4.15 that use invitation codes for registration. The attacker needs a contributor-level account or higher. Sites without this plugin, or without invitation codes, are not affected by this description.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["medium","package","pieregister","wordpress"],"campaign_type":null,"search_a":"'-2026':12A,15A '-96963':13A,16A 'admin':8A 'code':10A 'contributor':5A 'cve':11A,14A 'edit':7A 'invit':9A 'pie':1A 'plugin':4A 'regist':2A 'wordpress':3A","search_b":"'3.8.4.15':28B 'action':32B 'administr':56B 'ajax':31B 'authoris':36B 'chang':50B 'check':37B 'code':53B 'contributor':45B 'creat':57B 'higher':48B 'invit':52B 'invitation-cod':51B 'log':40B 'logged-in':39B 'packag':17B 'pie':19B,23B 'pie-regist':18B 'plugin':26B 'record':54B 'regist':20B,24B 'role':46B 'skip':34B 'user':42B 'wordpress':21B,25B","search_c":"'3.8.4.15':64C 'action':76C 'administr':90C 'administrator-cr':89C 'ajax':75C 'allow':77C 'authoris':69C 'check':70C 'code':94C 'contributor':85C 'creat':91C 'exist':88C 'invit':93C 'invitation-cod':92C 'low':83C 'modifi':87C 'one':72C 'perform':67C 'pie':59C 'plugin':62C 'record':95C 'regist':60C 'role':81C 'user':78C 'wordpress':61C","cause_entry":null,"cause_path":null,"first_public_at":"2026-11-08T06:17:05+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-96963","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96963","severity":null,"published_at":"2026-11-08T06:17:05+00:00","modified_at":"2026-11-08T06:17:05+00:00","first_seen_at":"2026-11-08T06:46:21+00:00","fetched_at":"2026-11-08T06:46:21+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"}