CVE-2026-15402 json
Eventin <= 4.1.23 - Authenticated (Custom+) Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter
published 2026-09-15 55 d ago modified 2026-09-16 53 d ago also EUVD-2026-78297
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 53 d ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- arraytics Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/a07070b6-37d2-4ccf-ae81-a08ac7b76241?source=cve
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/templates/event/schedule-list.php#L115
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/utils/helper.php#L78
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L516
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/utils/functions.php#L47
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/core/schedule/Api/ScheduleController.php#L253
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/base/post-model.php#L202
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.16/core/AccessControl/Permission.php#L297
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/templates/event/schedule-list.php#L115
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/utils/helper.php#L78
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L516
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/utils/functions.php#L47
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/core/schedule/Api/ScheduleController.php#L253
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/base/post-model.php#L202
- plugins.trac.wordpress.org /browser/wp-event-solution/tags/4.1.15/core/AccessControl/Permission.php#L297
- plugins.trac.wordpress.org /changeset?reponame=&old=3689867%40wp-event-solution&new=3689867%40wp-event-solution
Sources
- CVE List CVE-2026-15402
- NVD CVE-2026-15402
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.