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.
History

Wed, 18 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 16 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Krellbat
Krellbat callbackkiller Service Widget
Wordpress
Wordpress wordpress
Vendors & Products Krellbat
Krellbat callbackkiller Service Widget
Wordpress
Wordpress wordpress

Sat, 14 Feb 2026 06:45:00 +0000

Type Values Removed Values Added
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.
Title CallbackKiller service widget <= 1.2 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2026-02-14T06:42:30.529Z

Updated: 2026-02-18T20:35:10.753Z

Reserved: 2026-02-04T21:35:36.617Z

Link: CVE-2026-1944

cve-icon Vulnrichment

Updated: 2026-02-18T20:35:07.978Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-14T07:16:12.150

Modified: 2026-02-18T17:52:44.520

Link: CVE-2026-1944

cve-icon Redhat

No data.