{"id":"CVE-2026-118634","kind":"vulnerability","aliases":["CVE-2026-118634"],"related":[],"title":"Events Made Easy WordPress plugin: stored XSS via width parameter","description":"The Events Made Easy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter in all versions up to, and including, 3.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","summary":"The Events Made Easy WordPress plugin up to and including 3.3.1 does not sanitize the 'width' parameter, so input is stored and rendered unescaped. An attacker with contributor-level access can plant scripts in pages that run in the browser of anyone who opens the injected page.","severity":"medium","cvss":6.4,"epss":0.00201,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["events-made-easy","package","wordpress"],"not_affected_if":["no-contributor-accounts","plugin-not-installed"],"how_to_check":"- Check the installed version of the Events Made Easy plugin in the WordPress admin under Plugins, or in `wp-content/plugins/events-made-easy/`.\n- Review whether any contributor-level or higher accounts are untrusted.","fix":null,"status":"open","published_at":"2026-10-30T06:16:47+00:00","first_seen_at":"2026-10-30T06:28:39+00:00","triaged_at":"2026-10-30T06:29:52+00:00","updated_at":"2026-10-30T18:23:38+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-30T06:29:52Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Events Made Easy WordPress plugin: stored XSS via width parameter","impact":"medium","summary":"The Events Made Easy WordPress plugin up to and including 3.3.1 does not sanitize the 'width' parameter, so input is stored and rendered unescaped. An attacker with contributor-level access can plant scripts in pages that run in the browser of anyone who opens the injected page.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","events-made-easy"],"confidence":0.7,"fix_status":"unknown","needs_auth":"yes","worst_case":"Scripts run in visitors' and admins' browsers, enabling session theft.","analyst_note":"Confirm the fixed plugin version from the vendor or the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-118634, since the sources give no fix.","how_to_check":"- Check the installed version of the Events Made Easy plugin in the WordPress admin under Plugins, or in `wp-content/plugins/events-made-easy/`.\n- Review whether any contributor-level or higher accounts are untrusted.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed","no-contributor-accounts"],"who_is_affected":"Sites running the Events Made Easy plugin at version 3.3.1 or earlier, where contributor-level or higher accounts exist. Exposure depends on those users being able to create content that visitors or admins later view. Sites without this plugin or with no authenticated contributors are not affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000714,"input_tokens":4171,"output_tokens":594,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-118634':13A,16A '-2026':12A,15A '3.3.1':33B,97C 'access':53B,117C,133C 'anyon':65B 'arbitrari':122C 'attack':48B,112C 'authent':111C 'browser':63B 'contributor':51B,115C 'contributor-level':50B,114C 'cross':83C 'cross-sit':82C 'cve':11A,14A 'due':98C 'easi':3A,20B,26B,74C 'escap':105C 'event':1A,18B,24B,72C 'events-made-easi':17B 'execut':129C 'includ':32B,96C 'inject':69B,121C,135C 'input':41B,101C 'insuffici':100C 'level':52B,116C 'made':2A,19B,25B,73C 'make':107C 'open':67B 'output':104C 'packag':21B 'page':58B,70B,126C,136C 'paramet':10A,39B,89C 'plant':55B 'plugin':5A,28B,75C 'possibl':109C 'render':45B 'run':60B 'sanit':36B,102C 'script':56B,85C,124C 'site':84C 'store':6A,43B,81C 'unescap':46B 'user':132C 'version':92C 'via':8A,86C 'vulner':79C 'web':123C 'whenev':130C 'width':9A,38B,88C 'wordpress':4A,22B,27B,77C 'xss':7A","nicknames":[],"mitigations":[],"who_affected":"Sites running the Events Made Easy plugin at version 3.3.1 or earlier, where contributor-level or higher accounts exist. Exposure depends on those users being able to create content that visitors or admins later view. Sites without this plugin or with no authenticated contributors are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"first_public_at":"2026-10-30T06:16:47+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cvss_by":"security@wordfence.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118634","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118634","severity":null,"published_at":"2026-10-30T06:16:47+00:00","modified_at":"2026-10-30T06:16:47+00:00","first_seen_at":"2026-10-30T06:28:39+00:00","fetched_at":"2026-10-30T06:28:39+00:00","note":null},{"source":"epss","external_id":"CVE-2026-118634","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-118634","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-30T18:23:38+00:00","fetched_at":"2026-10-30T18:23:38+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"}