CVE-2026-1987
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Lifecycle Timeline
2Tags
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.
Analysis
Scheduler Widget (WordPress plugin) versions up to 0.1.6. is affected by authorization bypass through user-controlled key (CVSS 5.4).
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Remediation
Within 30 days: Identify affected systems running for WordPress is vulnerable to Insecure Direct Object Refere and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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