CVE-2025-12356: Tickera – WordPress Event Ticketing <= 3.5.6.4 - Missing Authorization to Authenticated (Subscriber+) Event/Post Status Update

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-18 · updated 2026-06-17
Weakness: CWE-862

Description

The Tickera – Sell Tickets & Manage Events plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_change_ticket_status' AJAX endpoint in all versions up to, and including, 3.5.6.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update post/event statuses.

Affected products

Tickera: through 3.5.6.4

References

https://plugins.trac.wordpress.org/browser/tickera-event-ticketing-system/trunk/tickera.php#L3903
https://plugins.trac.wordpress.org/changeset/3422813
https://www.wordfence.com/threat-intel/vulnerabilities/id/e7c08b1a-c73d-488c-96df-cf18acb460bb?source=cve

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