CVE-2026-1944

MEDIUM

CallbackKiller service widget <1.2 - Info Disclosure

Title source: llm
STIX 2.1

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 (5)

Core 5

Scores

CVSS v3 5.3
EPSS 0.0034
EPSS Percentile 25.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (1)
krellbat/CallbackKiller service widget < 1.2
Published Feb 14, 2026
Tracked Since Feb 18, 2026