Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) <= 4.1.22 - Authenticated (Subscriber+) Missing Authorization to Order Completion / Free Ticket Redemption

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-15398
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-09 08:17:19 UTC
Updated2026-09-09 08:17:19 UTC
DescriptionThe Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.1.22. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to bypass payment for paid events, fraudulently mark orders as completed, deplete ticket inventory, and trigger confirmation emails for tickets never purchased. This is exploitable by unauthenticated attackers because the wp_rest nonce is publicly emitted on every frontend page, and the order creation endpoint mints and returns an order_access_token to any caller possessing that nonce — giving unauthenticated users all credentials required to reach the privileged update_booking_status branch.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Arraytics Eventin Event Calendar Tickets Registration Booking WooCommerce affected 4.1.22 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/utils/locale/vars.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/base/Enqueue/frontend.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/utils/locale/vars.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.15/base/Enqueue/frontend.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/wp-event-solution/tags/4.1.16/core/Order/OrderControl... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/dd7baa69-88f7-4546-96c8-4829a... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Wordfence PRISM (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-10T13:39:59.000ZVendor Notified
CNA2026-09-08T19:18:20.000ZDisclosed

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