CVE-2026-1944

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.

PUBLISHED Reserved 2026-02-04 | Published 2026-02-14 | Updated 2026-02-18 | Assigner Wordfence

Problem types

CWE-862 Missing Authorization

Product status

Timeline

Credits

Abhirup Konwar finder

References

www.wordfence.com/...-9642-4150-8112-c0fa2b25ae05?source=cve

plugins.trac.wordpress.org/...runk/callbackkiller-widget.php

plugins.trac.wordpress.org/.../1.2/callbackkiller-widget.php

plugins.trac.wordpress.org/...runk/callbackkiller-widget.php

plugins.trac.wordpress.org/.../1.2/callbackkiller-widget.php

cve.org (CVE-2026-1944)

nvd.nist.gov (CVE-2026-1944)

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