{"cve":"CVE-2026-15402","nvd":{"published":"2026-09-15T07:16:26.583","modified":"2026-09-16T19:17:06.140","status":"Deferred","description":"The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter in all versions up to, and including, 4.1.23 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","score":6.4},"cwes":["CWE-79"],"references":["https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/post-model.php#L202","https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.php#L297","https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L253","https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L516","https://plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.php#L115"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-15402","score":0.00435,"percentile":0.37776,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}