{"id":"CVE-2023-4423","aliases":["EUVD-2023-54285","GHSA-3r9m-m4c8-57jx"],"status":"published","title":"WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce \u003c= 3.1.37.1 - Authenticated (Admin+) Stored Cross-Site Scripting","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00596,"percentile":0.48831,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-09-27T03:03:01Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"wp-eventmanager","product":"wp_event_manager"},{"vendor":"wpeventmanager","product":"wp event manager – events calendar, registrations, sell tickets with woocommerce"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/dd9d22b0-a84a-4bf2-b8b4-89bae2970f29?source=cve","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/Jacky-Y/vuls/blob/main/vul5.md","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=2969034%40wp-event-manager%2Ftrunk\u0026old=2953169%40wp-event-manager%2Ftrunk\u0026sfp_email=\u0026sfph_mail=","tags":["x_transferred","Patch","web"]},{"url":"https://github.com/wpeventmanager/wp-event-manager/issues/1483","tags":["x_transferred","Exploit","Issue Tracking","Patch","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4423","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3r9m-m4c8-57jx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4423.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-4423","title":"WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce \u003c= 3.1.37.1 - Authenticated (Admin+) Stored Cross-Site Scripting","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2023-09-27T03:03:01.373Z","modified":"2026-04-08T17:28:07.183Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:30.851125Z"}],"euvd":[{"id":"EUVD-2023-54285","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2023-09-27T03:03:01Z","modified":"2026-04-08T17:28:07Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:37.353503Z"}],"ghsa":[{"id":"GHSA-3r9m-m4c8-57jx","title":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for...","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2023-09-27T15:30:39Z","modified":"2024-04-04T07:55:45Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:56:55.990291Z"}],"nvd":[{"id":"CVE-2023-4423","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2023-09-27T15:19:40.383Z","modified":"2026-06-17T06:37:47.78Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:31.699785Z"}],"osv":[{"id":"CVE-2023-4423","title":"WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce \u003c= 3.1.37.1 - Authenticated (Admin+) Stored Cross-Site Scripting","description":"The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.1.37.1  due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2023-09-27T03:03:01.373Z","modified":"2026-10-28T02:31:04.246888695Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:33.792101Z"}]}}