{"id":"CVE-2026-119468","kind":"vulnerability","aliases":["CVE-2026-119468"],"related":[],"title":"Noptin newsletter plugin: stored XSS lets attackers run scripts in pages","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Noptin Newsletter Team Noptin newsletter-optin-box allows Stored XSS.This issue affects Noptin: from n/a through 4.4.2.","summary":"The Noptin newsletter opt-in box plugin for WordPress has a stored cross-site scripting flaw in versions through 4.4.2. An attacker can plant script that runs in the browser of anyone who views the affected page.","severity":"high","cvss":7.1,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["noptin","package","self-hosted","wordpress"],"not_affected_if":["plugin-not-installed","plugin-updated"],"how_to_check":"- Check the installed Noptin version in the WordPress plugin list or the plugin's main file header.\n- Confirm whether the newsletter-optin-box plugin is active on the site.","fix":"- Noptin: versions after `4.4.2` (fixed version not stated in the sources; check the vendor's release notes).","status":"open","published_at":"2026-11-04T13:17:26+00:00","first_seen_at":"2026-11-04T13:27:01+00:00","triaged_at":"2026-11-04T13:28:03+00:00","updated_at":"2026-11-04T13:28:03+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-11-04T13:28:03Z","model":"claude-haiku-5-5","output":{"fix":"- Noptin: versions after `4.4.2` (fixed version not stated in the sources; check the vendor's release notes).","reach":"internet","title":"Noptin newsletter plugin: stored XSS lets attackers run scripts in pages","impact":"medium","summary":"The Noptin newsletter opt-in box plugin for WordPress has a stored cross-site scripting flaw in versions through 4.4.2. An attacker can plant script that runs in the browser of anyone who views the affected page.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","noptin","self-hosted"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker script runs in visitors' browsers, stealing sessions or data","analyst_note":"Confirm the fixed version and what input is stored; the sources give only the affected range through 4.4.2 and no fix.","how_to_check":"- Check the installed Noptin version in the WordPress plugin list or the plugin's main file header.\n- Confirm whether the newsletter-optin-box plugin is active on the site.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed","plugin-updated"],"who_is_affected":"Sites running the Noptin newsletter opt-in plugin at version 4.4.2 or earlier. The flaw is stored, so the risk is highest where users or editors can submit content that the plugin later displays; sites without the plugin are not affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000691,"input_tokens":4121,"output_tokens":557,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-119468':14A,17A '-2026':13A,16A '4.4.2':45B,94C 'affect':61B,89C 'allow':85C 'anyon':57B 'attack':7A,47B 'box':30B,84C 'browser':55B 'cross':38B,72C 'cross-sit':37B,71C 'cve':12A,15A 'flaw':41B 'generat':70C 'host':22B 'improp':63C 'input':66C 'issu':88C 'let':6A 'n/a':92C 'neutral':64C 'newslett':2A,26B,78C,82C 'newsletter-optin-box':81C 'noptin':1A,18B,25B,77C,80C,90C 'opt':28B 'opt-in':27B 'optin':83C 'packag':19B 'page':11A,62B,69C 'plant':49B 'plugin':3A,31B 'run':8A,52B 'script':9A,40B,50B,74C 'self':21B 'self-host':20B 'site':39B,73C 'store':4A,36B,86C 'team':79C 'version':43B 'view':59B 'vulner':75C 'web':68C 'wordpress':23B,33B 'xss':5A 'xss.this':87C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Noptin newsletter opt-in plugin at version 4.4.2 or earlier. The flaw is stored, so the risk is highest where users or editors can submit content that the plugin later displays; sites without the plugin are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["high","noptin","package","selfhosted","wordpress"],"campaign_type":null,"first_public_at":"2026-11-04T13:17:26+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119468","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119468","severity":null,"published_at":"2026-11-04T13:17:26+00:00","modified_at":"2026-11-04T13:17:26+00:00","first_seen_at":"2026-11-04T13:27:01+00:00","fetched_at":"2026-11-04T13:27:01+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"}