CVE-2026-1944
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductCallbackKiller service widget
PublishedFeb 14, 2026
First seenFeb 14, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| krellbat CallbackKiller service widget | v ≤ 1.2 | — |
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