{"id":"CVE-2026-107343","kind":"vulnerability","aliases":["CVE-2026-107343"],"related":[],"title":"Kali Forms WordPress plugin: subscribers can send spoofed email","description":"The Kali Forms — Contact Form & Drag-and-Drop Builder WordPress plugin before 2.4.30 does not perform a capability check on its test-email handler, relying only on a nonce that is available to any logged-in user, so a low-privileged user such as a Subscriber can make the site send email to an arbitrary recipient with a spoofed sender address.","summary":"The Kali Forms WordPress plugin before 2.4.30 lacks a capability check on its test-email handler. A logged-in low-privileged user, such as a Subscriber, can make the site send email to any recipient with a spoofed sender address.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["kali-forms","package","wordpress"],"not_affected_if":["no-public-registration","plugin-updated"],"how_to_check":"- Check the installed Kali Forms plugin version in the WordPress admin under Plugins; versions before `2.4.30` are affected.\n- Confirm whether subscriber accounts can register on the site.","fix":"- Kali Forms: move to `2.4.30` or later.","status":"open","published_at":"2026-11-01T05:18:56+00:00","first_seen_at":"2026-11-01T06:48:24+00:00","triaged_at":"2026-11-01T06:49:03+00:00","updated_at":"2026-11-01T06:49:03+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-01T06:49:03Z","model":"claude-haiku-5-5","output":{"fix":"- Kali Forms: move to `2.4.30` or later.","reach":"internet","title":"Kali Forms WordPress plugin: subscribers can send spoofed email","impact":"low","summary":"The Kali Forms WordPress plugin before 2.4.30 lacks a capability check on its test-email handler. A logged-in low-privileged user, such as a Subscriber, can make the site send email to any recipient with a spoofed sender address.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","kali-forms"],"confidence":0.7,"fix_status":"available","needs_auth":"yes","worst_case":"Attacker sends spoofed email from the site to arbitrary recipients","analyst_note":"","how_to_check":"- Check the installed Kali Forms plugin version in the WordPress admin under Plugins; versions before `2.4.30` are affected.\n- Confirm whether subscriber accounts can register on the site.","plain_action":"","needs_analyst":false,"not_affected_if":["plugin-updated","no-public-registration"],"who_is_affected":"Sites running the Kali Forms plugin before 2.4.30. The flaw needs a logged-in account with the lowest role, such as Subscriber, so sites with open registration or many user accounts are most exposed. Sites without this plugin or with no logged-in users are not affected.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000668,"input_tokens":4147,"output_tokens":506,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-107343':12A,15A '-2026':11A,14A '2.4.30':27B,77C 'address':63B,128C 'arbitrari':122C 'avail':97C 'builder':73C 'capabl':30B,82C 'check':31B,83C 'contact':67C 'cve':10A,13A 'drag':70C 'drag-and-drop':69C 'drop':72C 'email':9A,36B,55B,88C,119C 'form':2A,18B,23B,66C,68C 'handler':37B,89C 'kali':1A,17B,22B,65C 'kali-form':16B 'lack':28B 'log':40B,101C 'logged-in':39B,100C 'low':43B,107C 'low-privileg':42B,106C 'make':51B,115C 'nonc':94C 'packag':19B 'perform':80C 'plugin':4A,25B,75C 'privileg':44B,108C 'recipi':58B,123C 'reli':90C 'send':7A,54B,118C 'sender':62B,127C 'site':53B,117C 'spoof':8A,61B,126C 'subscrib':5A,49B,113C 'test':35B,87C 'test-email':34B,86C 'user':45B,103C,109C 'wordpress':3A,20B,24B,74C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Kali Forms plugin before 2.4.30. The flaw needs a logged-in account with the lowest role, such as Subscriber, so sites with open registration or many user accounts are most exposed. Sites without this plugin or with no logged-in users are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"businesses","plain_action":null,"first_public_at":"2026-11-01T05:18:56+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-107343","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107343","severity":null,"published_at":"2026-11-01T05:18:56+00:00","modified_at":"2026-11-01T05:18:56+00:00","first_seen_at":"2026-11-01T06:48:24+00:00","fetched_at":"2026-11-01T06:48:24+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}