Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/callbackkiller-service-widget/tags/1.
- https://plugins.trac.wordpress.org/browser/callbackkiller-service-widget/tags/1.
- https://plugins.trac.wordpress.org/browser/callbackkiller-service-widget/trunk/c
- https://plugins.trac.wordpress.org/browser/callbackkiller-service-widget/trunk/c
- https://www.wordfence.com/threat-intel/vulnerabilities/id/98a7572d-9642-4150-811
FAQ
What is CVE-2026-1944?
CVE-2026-1944 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 includ...
How severe is CVE-2026-1944?
CVE-2026-1944 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1944?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.