CallbackKiller service widget <= 1.2 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update

Missing Authorization

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

CVE	CVE-2026-1944
CVSS	Medium (5.3)
Publicly Published	February 13, 2026
Last Updated	February 14, 2026
Researcher	Legion Hunter

Description

The CallbackKiller service widget plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the cbk_save() function in all versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to modify the plugin's site ID settings via the 'cbk_save_v1' AJAX action.

References

www.wordfence.com

1 affected software package

Software Type	Plugin
Software Slug	callbackkiller-service-widget (view on wordpress.org)
Patched?	No
Affected Version	<= 1.2
Patched Version

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