Medium severity5.4NVD Advisory· Published Feb 14, 2026· Updated Apr 15, 2026
CVE-2026-1987
CVE-2026-1987
Description
The Scheduler Widget plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 0.1.6. This is due to the scheduler_widget_ajax_save_event() function lacking proper authorization checks and ownership verification when updating events. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify any event in the scheduler via the id parameter granted they have knowledge of the event ID.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- cwe.mitre.org/data/definitions/639.htmlnvd
- cwe.mitre.org/data/definitions/862.htmlnvd
- owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/05-Authorization_Testing/04-Testing_for_Insecure_Direct_Object_Referencesnvd
- plugins.trac.wordpress.org/browser/scheduler-widget/tags/0.1.6/scheduler-widget.phpnvd
- plugins.trac.wordpress.org/browser/scheduler-widget/trunk/scheduler-widget.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/fd5f370c-743f-41f1-80ab-7f0805cae38cnvd
News mentions
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